672920944 has 20 divisors (see below), whose sum is σ = 1304414280. Its totient is φ = 336297920.

The previous prime is 672920933. The next prime is 672920953. The reversal of 672920944 is 449029276.

672920944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×672920944² = 905645193747702272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 672920944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28434 + ... + 46414.

It is an arithmetic number, because the mean of its divisors is an integer number (65220714).

Almost surely, 2^672920944 is an apocalyptic number.

It is an amenable number.

672920944 is a deficient number, since it is larger than the sum of its proper divisors (631493336).

672920944 is a wasteful number, since it uses less digits than its factorization.

672920944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20328 (or 20322 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 672920944 is about 25940.7198049707. The cubic root of 672920944 is about 876.3037734933.

The spelling of 672920944 in words is "six hundred seventy-two million, nine hundred twenty thousand, nine hundred forty-four".