72542564534104 has 24 divisors (see below), whose sum is σ = 158224216012740. Its totient is φ = 31089670514448.

The previous prime is 72542564534087. The next prime is 72542564534129. The reversal of 72542564534104 is 40143546524527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92528780902 + ... + 92528781685.

Almost surely, 2^{72542564534104} is an apocalyptic number.

It is an amenable number.

72542564534104 is an abundant number, since it is smaller than the sum of its proper divisors (85681651478636).

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

72542564534104 is a wasteful number, since it uses less digits than its factorization.

72542564534104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185057562607 (or 185057562596 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 52.

The spelling of 72542564534104 in words is "seventy-two trillion, five hundred forty-two billion, five hundred sixty-four million, five hundred thirty-four thousand, one hundred four".