672697992 has 32 divisors (see below), whose sum is σ = 1682539200. Its totient is φ = 224126784.

The previous prime is 672697957. The next prime is 672698003. The reversal of 672697992 is 299796276.

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, 58234 + ... + 68822.

It is an arithmetic number, because the mean of its divisors is an integer number (52579350).

Almost surely, 2^672697992 is an apocalyptic number.

It is an amenable number.

672697992 is an abundant number, since it is smaller than the sum of its proper divisors (1009841208).

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

672697992 is a wasteful number, since it uses less digits than its factorization.

672697992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13245 (or 13241 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 57.

The square root of 672697992 is about 25936.4221125428. The cubic root of 672697992 is about 876.2069838869.

The spelling of 672697992 in words is "six hundred seventy-two million, six hundred ninety-seven thousand, nine hundred ninety-two".