707680 has 24 divisors (see below), whose sum is σ = 1672272. Its totient is φ = 283008.

The previous prime is 707677. The next prime is 707683. The reversal of 707680 is 86707.

It is an interprime number because it is at equal distance from previous prime (707677) and next prime (707683).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (69678).

2⁷⁰⁷⁶⁸⁰ is an apocalyptic number.

It is an amenable number.

707680 is an abundant number, since it is smaller than the sum of its proper divisors (964592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

707680 is a wasteful number, since it uses less digits than its factorization.

707680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 707680 is about 841.2371841520. The cubic root of 707680 is about 89.1139389935.

It can be divided in two parts, 70 and 7680, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 707680 in words is "seven hundred seven thousand, six hundred eighty".