680533072 has 20 divisors (see below), whose sum is σ = 1319102080. Its totient is φ = 340119648.

The previous prime is 680533067. The next prime is 680533123. The reversal of 680533072 is 270335086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35683 + ... + 51325.

It is an arithmetic number, because the mean of its divisors is an integer number (65955104).

Almost surely, 2^680533072 is an apocalyptic number.

It is an amenable number.

680533072 is a deficient number, since it is larger than the sum of its proper divisors (638569008).

680533072 is a wasteful number, since it uses less digits than its factorization.

680533072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18370 (or 18364 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 680533072 is about 26087.0288074361. The cubic root of 680533072 is about 879.5956613521.

The spelling of 680533072 in words is "six hundred eighty million, five hundred thirty-three thousand, seventy-two".