682640904 has 64 divisors (see below), whose sum is σ = 1864800000. Its totient is φ = 206521920.

The previous prime is 682640891. The next prime is 682640923. The reversal of 682640904 is 409046286.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193347 + ... + 196845.

It is an arithmetic number, because the mean of its divisors is an integer number (29137500).

Almost surely, 2^682640904 is an apocalyptic number.

It is an amenable number.

682640904 is an abundant number, since it is smaller than the sum of its proper divisors (1182159096).

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

682640904 is a wasteful number, since it uses less digits than its factorization.

682640904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 682640904 is about 26127.3975741940. The cubic root of 682640904 is about 880.5028565384.

The spelling of 682640904 in words is "six hundred eighty-two million, six hundred forty thousand, nine hundred four".