680394374 has 24 divisors (see below), whose sum is σ = 1123264800. Its totient is φ = 308868560.

The previous prime is 680394331. The next prime is 680394493. The reversal of 680394374 is 473493086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265652 + ... + 268200.

It is an arithmetic number, because the mean of its divisors is an integer number (46802700).

Almost surely, 2^680394374 is an apocalyptic number.

680394374 is a deficient number, since it is larger than the sum of its proper divisors (442870426).

680394374 is a wasteful number, since it uses less digits than its factorization.

680394374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3665 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 680394374 is about 26084.3703010059. The cubic root of 680394374 is about 879.5359011175.

The spelling of 680394374 in words is "six hundred eighty million, three hundred ninety-four thousand, three hundred seventy-four".