72398604 has 24 divisors (see below), whose sum is σ = 169323840. Its totient is φ = 24076624.

The previous prime is 72398593. The next prime is 72398617. The reversal of 72398604 is 40689327.

It is a super-2 number, since 2×72398604² = 10483115722297632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (7055160).

Almost surely, 2^72398604 is an apocalyptic number.

It is an amenable number.

72398604 is an abundant number, since it is smaller than the sum of its proper divisors (96925236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72398604 is a wasteful number, since it uses less digits than its factorization.

72398604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069 (or 14067 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 72398604 is about 8508.7369215413. The cubic root of 72398604 is about 416.7830649382.

The spelling of 72398604 in words is "seventy-two million, three hundred ninety-eight thousand, six hundred four".