680374056 has 32 divisors (see below), whose sum is σ = 1746908640. Its totient is φ = 220661568.

The previous prime is 680374031. The next prime is 680374069. The reversal of 680374056 is 650473086.

It is a super-2 number, since 2×680374056² = 925817712155782272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382206 + ... + 383981.

It is an arithmetic number, because the mean of its divisors is an integer number (54590895).

Almost surely, 2^680374056 is an apocalyptic number.

It is an amenable number.

680374056 is an abundant number, since it is smaller than the sum of its proper divisors (1066534584).

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

680374056 is a wasteful number, since it uses less digits than its factorization.

680374056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766233 (or 766229 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 680374056 is about 26083.9808311538. The cubic root of 680374056 is about 879.5271461028.

The spelling of 680374056 in words is "six hundred eighty million, three hundred seventy-four thousand, fifty-six".