672944 has 20 divisors (see below), whose sum is σ = 1317624. Its totient is φ = 332928.

The previous prime is 672943. The next prime is 672949. The reversal of 672944 is 449276.

It is a self number, because there is not a number n which added to its sum of digits gives 672944.

It is not an unprimeable number, because it can be changed into a prime (672943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039 + ... + 2345.

2⁶⁷²⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

672944 is a deficient number, since it is larger than the sum of its proper divisors (644680).

672944 is a wasteful number, since it uses less digits than its factorization.

672944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 672944 is about 820.3316402529. The cubic root of 672944 is about 87.6313781518.

The spelling of 672944 in words is "six hundred seventy-two thousand, nine hundred forty-four".