72540412571034 has 24 divisors (see below), whose sum is σ = 157993778172672. Its totient is φ = 24053539943880.

The previous prime is 72540412570939. The next prime is 72540412571059. The reversal of 72540412571034 is 43017521404527.

72540412571034 is a `hidden beast` number, since 7 + 2 + 5 + 4 + 0 + 41 + 2 + 571 + 0 + 34 = 666.

It is a super-2 number, since 2×72540412571034² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10549794784 + ... + 10549801659.

It is an arithmetic number, because the mean of its divisors is an integer number (6583074090528).

Almost surely, 2^{72540412571034} is an apocalyptic number.

72540412571034 is an abundant number, since it is smaller than the sum of its proper divisors (85453365601638).

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

72540412571034 is a wasteful number, since it uses less digits than its factorization.

72540412571034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21099596642 (or 21099596639 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 72540412571034 in words is "seventy-two trillion, five hundred forty billion, four hundred twelve million, five hundred seventy-one thousand, thirty-four".