72515775534632 has 16 divisors (see below), whose sum is σ = 137882108412000. Its totient is φ = 35747213291440.

The previous prime is 72515775534589. The next prime is 72515775534659. The reversal of 72515775534632 is 23643557751527.

It is a happy number.

72515775534632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63834308882 + ... + 63834310017.

It is an arithmetic number, because the mean of its divisors is an integer number (8617631775750).

Almost surely, 2^{72515775534632} is an apocalyptic number.

It is an amenable number.

72515775534632 is a deficient number, since it is larger than the sum of its proper divisors (65366332877368).

72515775534632 is a wasteful number, since it uses less digits than its factorization.

72515775534632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127668618976 (or 127668618972 counting only the distinct ones).

The product of its digits is 185220000, while the sum is 62.

The spelling of 72515775534632 in words is "seventy-two trillion, five hundred fifteen billion, seven hundred seventy-five million, five hundred thirty-four thousand, six hundred thirty-two".