Seven is a natural number that follows six and precedes eight. It is often considered a lucky number in various cultures and is frequently associated with positive attributes. In mathematics, seven is a prime number, meaning it can only be divided by one and itself. In addition to its mathematical significance, seven holds cultural importance. For instance, there are seven wonders of the world, seven continents, and seven days in a week. This number appears in various religious texts, such as the Bible, where it symbolizes completeness and perfection.