72442204 has 6 divisors (see below), whose sum is σ = 126773864. Its totient is φ = 36221100.

The previous prime is 72442187. The next prime is 72442217. The reversal of 72442204 is 40224427.

It is a happy number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9055272 + ... + 9055279.

Almost surely, 2^72442204 is an apocalyptic number.

It is an amenable number.

72442204 is a deficient number, since it is larger than the sum of its proper divisors (54331660).

72442204 is a wasteful number, since it uses less digits than its factorization.

72442204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18110555 (or 18110553 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 72442204 is about 8511.2986083206. The cubic root of 72442204 is about 416.8667133975.

The spelling of 72442204 in words is "seventy-two million, four hundred forty-two thousand, two hundred four".