680685412 has 48 divisors (see below), whose sum is σ = 1372392000. Its totient is φ = 292152960.

The previous prime is 680685377. The next prime is 680685427. The reversal of 680685412 is 214586086.

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, 290598 + ... + 292930.

It is an arithmetic number, because the mean of its divisors is an integer number (28591500).

Almost surely, 2^680685412 is an apocalyptic number.

It is an amenable number.

680685412 is an abundant number, since it is smaller than the sum of its proper divisors (691706588).

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

680685412 is a wasteful number, since it uses less digits than its factorization.

680685412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 680685412 is about 26089.9484859591. The cubic root of 680685412 is about 879.6612901026.

The spelling of 680685412 in words is "six hundred eighty million, six hundred eighty-five thousand, four hundred twelve".