672157004 has 12 divisors (see below), whose sum is σ = 1214219328. Its totient is φ = 325237200.

The previous prime is 672157001. The next prime is 672157007. The reversal of 672157004 is 400751276.

It is an interprime number because it is at equal distance from previous prime (672157001) and next prime (672157007).

It is not an unprimeable number, because it can be changed into a prime (672157001) 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, 2710187 + ... + 2710434.

It is an arithmetic number, because the mean of its divisors is an integer number (101184944).

Almost surely, 2^672157004 is an apocalyptic number.

It is an amenable number.

672157004 is a deficient number, since it is larger than the sum of its proper divisors (542062324).

672157004 is a wasteful number, since it uses less digits than its factorization.

672157004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420656 (or 5420654 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 672157004 is about 25925.9908971673. The cubic root of 672157004 is about 875.9720371522.

The spelling of 672157004 in words is "six hundred seventy-two million, one hundred fifty-seven thousand, four".