680670464 has 36 divisors (see below), whose sum is σ = 1417767456. Its totient is φ = 325535232.

The previous prime is 680670451. The next prime is 680670491. The reversal of 680670464 is 464076086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51914 + ... + 63689.

Almost surely, 2^680670464 is an apocalyptic number.

680670464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

680670464 is an abundant number, since it is smaller than the sum of its proper divisors (737096992).

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

680670464 is a wasteful number, since it uses less digits than its factorization.

680670464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115642 (or 115628 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 680670464 is about 26089.6620139089. The cubic root of 680670464 is about 879.6548508710.

The spelling of 680670464 in words is "six hundred eighty million, six hundred seventy thousand, four hundred sixty-four".