672464556 has 36 divisors (see below), whose sum is σ = 1701336000. Its totient is φ = 223957728.

The previous prime is 672464543. The next prime is 672464591. The reversal of 672464556 is 655464276.

672464556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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, 36645 + ... + 51843.

Almost surely, 2^672464556 is an apocalyptic number.

It is an amenable number.

672464556 is an abundant number, since it is smaller than the sum of its proper divisors (1028871444).

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

672464556 is a wasteful number, since it uses less digits than its factorization.

672464556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16438 (or 16433 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 672464556 is about 25931.9215639721. The cubic root of 672464556 is about 876.1056199664.

The spelling of 672464556 in words is "six hundred seventy-two million, four hundred sixty-four thousand, five hundred fifty-six".