672312808 has 32 divisors (see below), whose sum is σ = 1269576000. Its totient is φ = 333770112.

The previous prime is 672312799. The next prime is 672312811. The reversal of 672312808 is 808213276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122093 + ... + 1122691.

It is an arithmetic number, because the mean of its divisors is an integer number (39674250).

Almost surely, 2^672312808 is an apocalyptic number.

It is an amenable number.

672312808 is a deficient number, since it is larger than the sum of its proper divisors (597263192).

672312808 is a wasteful number, since it uses less digits than its factorization.

672312808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 672312808 is about 25928.9955069609. The cubic root of 672312808 is about 876.0397144967.

The spelling of 672312808 in words is "six hundred seventy-two million, three hundred twelve thousand, eight hundred eight".