672130464 has 24 divisors (see below), whose sum is σ = 1764342720. Its totient is φ = 224043456.

The previous prime is 672130447. The next prime is 672130489. The reversal of 672130464 is 464031276.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 3500584 + ... + 3500775.

It is an arithmetic number, because the mean of its divisors is an integer number (73514280).

Almost surely, 2^672130464 is an apocalyptic number.

It is an amenable number.

672130464 is an abundant number, since it is smaller than the sum of its proper divisors (1092212256).

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

672130464 is a wasteful number, since it uses less digits than its factorization.

672130464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001372 (or 7001364 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 672130464 is about 25925.4790505402. The cubic root of 672130464 is about 875.9605078003.

The spelling of 672130464 in words is "six hundred seventy-two million, one hundred thirty thousand, four hundred sixty-four".