680764364 has 24 divisors (see below), whose sum is σ = 1362929568. Its totient is φ = 291456000.

The previous prime is 680764339. The next prime is 680764367. The reversal of 680764364 is 463467086.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (680764367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16364 + ... + 40364.

It is an arithmetic number, because the mean of its divisors is an integer number (56788732).

Almost surely, 2^680764364 is an apocalyptic number.

It is an amenable number.

680764364 is an abundant number, since it is smaller than the sum of its proper divisors (682165204).

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

680764364 is a wasteful number, since it uses less digits than its factorization.

680764364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25025 (or 25023 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 680764364 is about 26091.4615152160. The cubic root of 680764364 is about 879.6952991235.

The spelling of 680764364 in words is "six hundred eighty million, seven hundred sixty-four thousand, three hundred sixty-four".