673137904 has 20 divisors (see below), whose sum is σ = 1304881264. Its totient is φ = 336394368.

The previous prime is 673137887. The next prime is 673137911. The reversal of 673137904 is 409731376.

It is a super-2 number, since 2×673137904² = 906229275603026432, which contains 22 as substring.

It is a congruent number.

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, 24349 + ... + 44035.

Almost surely, 2^673137904 is an apocalyptic number.

It is an amenable number.

673137904 is a deficient number, since it is larger than the sum of its proper divisors (631743360).

673137904 is a wasteful number, since it uses less digits than its factorization.

673137904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21832 (or 21826 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 673137904 is about 25944.9013102767. The cubic root of 673137904 is about 876.3979412848.

It can be divided in two parts, 673137 and 904, that added together give a square (674041 = 821²).

The spelling of 673137904 in words is "six hundred seventy-three million, one hundred thirty-seven thousand, nine hundred four".