72000004 has 12 divisors (see below), whose sum is σ = 126061264. Its totient is φ = 35982504.

The previous prime is 71999999. The next prime is 72000007. The reversal of 72000004 is 40000027.

It is not an unprimeable number, because it can be changed into a prime (72000007) 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, 10507 + ... + 15949.

Almost surely, 2^72000004 is an apocalyptic number.

It is an amenable number.

72000004 is a deficient number, since it is larger than the sum of its proper divisors (54061260).

72000004 is a wasteful number, since it uses less digits than its factorization.

72000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 72000004 is about 8485.2816099408. The cubic root of 72000004 is about 416.0167723144.

The spelling of 72000004 in words is "seventy-two million, four", and thus it is an aban number.