72900004 has 12 divisors (see below), whose sum is σ = 127840384. Its totient is φ = 36374184.

The previous prime is 72899999. The next prime is 72900011. The reversal of 72900004 is 40000927.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16764 + ... + 20659.

Almost surely, 2^72900004 is an apocalyptic number.

It is an amenable number.

72900004 is a deficient number, since it is larger than the sum of its proper divisors (54940380).

72900004 is a wasteful number, since it uses less digits than its factorization.

72900004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37914 (or 37912 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 72900004 is about 8538.1499166974. The cubic root of 72900004 is about 417.7430026656.

It can be divided in two parts, 7290000 and 4, that multiplied together give a square (29160000 = 5400²).

The spelling of 72900004 in words is "seventy-two million, nine hundred thousand, four".