The answer is: 7

Josh 6:4

As the Israelites prepared to march around Jericho, the choice of seven priests to carry rams' horns is packed with significance. In the ancient Hebrew culture, the number seven often represented completeness or perfection. This connection is intriguing because it hints at divine orchestration in the battle against Jericho. The rams’ horns, known as "shofarot," had traditional uses ranging from signaling events to marking the start of festivals.

When the priests blew their shofars, Scripture conveys how important sound was in expressing worship and calling attention to the action about to unfold. It's fascinating to think how these musical notes would have echoed through the walls of Jericho, stirring fear and highlighting the divine message that Israel’s victory was inevitable with adherence to God’s commands.

In another layer of symbolism, the marching around Jericho mirrors themes of trust and perseverance found throughout the Bible. Seven days of circling the city speak to human tenacity, emphasizing patience in the face of obstacles. The trumpeting priests mark a shift from typical warfare tactics to a relying on spiritual practices to secure victory, suggesting a reminder that faith and obedience can bring about extraordinary results, which can be seen in how other biblical battles were fought—like Gideon’s 300 men.

Ultimately, the act of worship preceded Israel’s triumph, underscoring the ultimate victory that rests in the relationship with divine authority and the active faith of a community moving towards their promised future.