Seventy is a natural number that follows sixty-nine and precedes seventy-one. It is often represented by the numeral 70 in the decimal system. In Roman numerals, seventy is written as LXX. This number is significant in various contexts, including mathematics, where it can be classified as a composite number, as it has divisors other than one and itself. In terms of cultural significance, seventy can represent milestones, such as a 70th birthday, which is often celebrated as a major life event. Additionally, in some religious texts, the number seventy holds importance, such as the Seventy Disciples in Christianity, who were sent out by Jesus to spread his teachings.