672976520 has 32 divisors (see below), whose sum is σ = 1563045120. Its totient is φ = 260506560.

The previous prime is 672976511. The next prime is 672976543. The reversal of 672976520 is 25679276.

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, 270122 + ... + 272601.

It is an arithmetic number, because the mean of its divisors is an integer number (48845160).

Almost surely, 2^672976520 is an apocalyptic number.

It is an amenable number.

672976520 is an abundant number, since it is smaller than the sum of its proper divisors (890068600).

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

672976520 is a wasteful number, since it uses less digits than its factorization.

672976520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542765 (or 542761 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 672976520 is about 25941.7909944553. The cubic root of 672976520 is about 876.3278972373.

The spelling of 672976520 in words is "six hundred seventy-two million, nine hundred seventy-six thousand, five hundred twenty".