73542452544 has 126 divisors (see below), whose sum is σ = 231701785770. Its totient is φ = 22285570560.

The previous prime is 73542452539. The next prime is 73542452563. The reversal of 73542452544 is 44525424537.

73542452544 is a `hidden beast` number, since 7 + 3 + 54 + 2 + 4 + 52 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71802561600 + 1739890944 = 267960^2 + 41712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73542452544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 457899 + ... + 597290.

Almost surely, 2^73542452544 is an apocalyptic number.

It is an amenable number.

73542452544 is an abundant number, since it is smaller than the sum of its proper divisors (158159333226).

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

73542452544 is a wasteful number, since it uses less digits than its factorization.

73542452544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055229 (or 1055205 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 45.

The spelling of 73542452544 in words is "seventy-three billion, five hundred forty-two million, four hundred fifty-two thousand, five hundred forty-four".