72411737624552 has 32 divisors (see below), whose sum is σ = 137186609038920. Its totient is φ = 35828722913280.

The previous prime is 72411737624549. The next prime is 72411737624609. The reversal of 72411737624552 is 25542673711427.

It can be written as a sum of positive squares in 4 ways, for example, as 70483177721476 + 1928559903076 = 8395426^2 + 1388726^2 .

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, 2095628 + ... + 12215364.

Almost surely, 2^{72411737624552} is an apocalyptic number.

It is an amenable number.

72411737624552 is a deficient number, since it is larger than the sum of its proper divisors (64774871414368).

72411737624552 is a wasteful number, since it uses less digits than its factorization.

72411737624552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129061 (or 10129057 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 56.

The spelling of 72411737624552 in words is "seventy-two trillion, four hundred eleven billion, seven hundred thirty-seven million, six hundred twenty-four thousand, five hundred fifty-two".