672556364 has 24 divisors (see below), whose sum is σ = 1188467280. Its totient is φ = 333010944.

The previous prime is 672556351. The next prime is 672556369. The reversal of 672556364 is 463655276.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (672556369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178007 + ... + 181745.

It is an arithmetic number, because the mean of its divisors is an integer number (49519470).

Almost surely, 2^672556364 is an apocalyptic number.

It is an amenable number.

672556364 is a deficient number, since it is larger than the sum of its proper divisors (515910916).

672556364 is a wasteful number, since it uses less digits than its factorization.

672556364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169 (or 4167 counting only the distinct ones).

The product of its digits is 907200, while the sum is 44.

The square root of 672556364 is about 25933.6916770444. The cubic root of 672556364 is about 876.1454881616.

The spelling of 672556364 in words is "six hundred seventy-two million, five hundred fifty-six thousand, three hundred sixty-four".