672923404 has 12 divisors (see below), whose sum is σ = 1199835504. Its totient is φ = 330113264.

The previous prime is 672923401. The next prime is 672923423. The reversal of 672923404 is 404329276.

It is not an unprimeable number, because it can be changed into a prime (672923401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586872 + ... + 1587295.

It is an arithmetic number, because the mean of its divisors is an integer number (99986292).

Almost surely, 2^672923404 is an apocalyptic number.

It is an amenable number.

672923404 is a deficient number, since it is larger than the sum of its proper divisors (526912100).

672923404 is a wasteful number, since it uses less digits than its factorization.

672923404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174224 (or 3174222 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 672923404 is about 25940.7672207281. The cubic root of 672923404 is about 876.3048413278.

The spelling of 672923404 in words is "six hundred seventy-two million, nine hundred twenty-three thousand, four hundred four".