672464180 has 24 divisors (see below), whose sum is σ = 1460871720. Its totient is φ = 259710080.

The previous prime is 672464173. The next prime is 672464201. The reversal of 672464180 is 81464276.

It can be written as a sum of positive squares in 4 ways, for example, as 2896804 + 669567376 = 1702^2 + 25876^2 .

It is a congruent number.

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, 579131 + ... + 580290.

It is an arithmetic number, because the mean of its divisors is an integer number (60869655).

Almost surely, 2^672464180 is an apocalyptic number.

It is an amenable number.

672464180 is an abundant number, since it is smaller than the sum of its proper divisors (788407540).

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

672464180 is a wasteful number, since it uses less digits than its factorization.

672464180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159459 (or 1159457 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 672464180 is about 25931.9143142191. The cubic root of 672464180 is about 876.1054566786.

The spelling of 672464180 in words is "six hundred seventy-two million, four hundred sixty-four thousand, one hundred eighty".