680667004 has 24 divisors (see below), whose sum is σ = 1233388800. Its totient is φ = 328292160.

The previous prime is 680666999. The next prime is 680667023. The reversal of 680667004 is 400766086.

It is a congruent number.

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, 168642 + ... + 172630.

It is an arithmetic number, because the mean of its divisors is an integer number (51391200).

Almost surely, 2^680667004 is an apocalyptic number.

It is an amenable number.

680667004 is a deficient number, since it is larger than the sum of its proper divisors (552721796).

680667004 is a wasteful number, since it uses less digits than its factorization.

680667004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493 (or 5491 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 680667004 is about 26089.5957040350. The cubic root of 680667004 is about 879.6533603744.

The spelling of 680667004 in words is "six hundred eighty million, six hundred sixty-seven thousand, four".