72554902 has 16 divisors (see below), whose sum is σ = 124574112. Its totient is φ = 31046400.

The previous prime is 72554899. The next prime is 72554921. The reversal of 72554902 is 20945527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6118 + ... + 13510.

It is an arithmetic number, because the mean of its divisors is an integer number (7785882).

Almost surely, 2^72554902 is an apocalyptic number.

72554902 is a deficient number, since it is larger than the sum of its proper divisors (52019210).

72554902 is a wasteful number, since it uses less digits than its factorization.

72554902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 72554902 is about 8517.9165292928. The cubic root of 72554902 is about 417.0827739308.

The spelling of 72554902 in words is "seventy-two million, five hundred fifty-four thousand, nine hundred two".