680492612 has 24 divisors (see below), whose sum is σ = 1197575232. Its totient is φ = 338335200.

The previous prime is 680492597. The next prime is 680492629. The reversal of 680492612 is 216294086.

680492612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 826433 + ... + 827255.

It is an arithmetic number, because the mean of its divisors is an integer number (49898968).

Almost surely, 2^680492612 is an apocalyptic number.

It is an amenable number.

680492612 is a deficient number, since it is larger than the sum of its proper divisors (517082620).

680492612 is a wasteful number, since it uses less digits than its factorization.

680492612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 680492612 is about 26086.2533147250. The cubic root of 680492612 is about 879.5782293579.

The spelling of 680492612 in words is "six hundred eighty million, four hundred ninety-two thousand, six hundred twelve".