680375056 has 15 divisors (see below), whose sum is σ = 1318428853. Its totient is φ = 340135360.

The previous prime is 680375041. The next prime is 680375077. The reversal of 680375056 is 650573086.

The square root of 680375056 is 26084.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 630813456 + 49561600 = 25116^2 + 7040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 101076 + ... + 107596.

Almost surely, 2^680375056 is an apocalyptic number.

680375056 is the 26084-th square number.

It is an amenable number.

680375056 is a deficient number, since it is larger than the sum of its proper divisors (638053797).

680375056 is an frugal number, since it uses more digits than its factorization.

680375056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13050 (or 6523 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The cubic root of 680375056 is about 879.5275770063.

The spelling of 680375056 in words is "six hundred eighty million, three hundred seventy-five thousand, fifty-six".