672904 has 24 divisors (see below), whose sum is σ = 1337310. Its totient is φ = 317376.

The previous prime is 672901. The next prime is 672913. The reversal of 672904 is 409276.

It can be written as a sum of positive squares in only one way, i.e., 636804 + 36100 = 798^2 + 190^2 .

It is not an unprimeable number, because it can be changed into a prime (672901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2772 + ... + 3004.

2⁶⁷²⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

672904 is a deficient number, since it is larger than the sum of its proper divisors (664406).

672904 is a wasteful number, since it uses less digits than its factorization.

672904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 672904 is about 820.3072595071. The cubic root of 672904 is about 87.6296418387.

The spelling of 672904 in words is "six hundred seventy-two thousand, nine hundred four".