72324674732540 has 24 divisors (see below), whose sum is σ = 152112290132880. Its totient is φ = 28885970236928.

The previous prime is 72324674732533. The next prime is 72324674732591. The reversal of 72324674732540 is 4523747642327.

72324674732540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2743714997 + ... + 2743741356.

It is an arithmetic number, because the mean of its divisors is an integer number (6338012088870).

Almost surely, 2^{72324674732540} is an apocalyptic number.

It is an amenable number.

72324674732540 is an abundant number, since it is smaller than the sum of its proper divisors (79787615400340).

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

72324674732540 is a wasteful number, since it uses less digits than its factorization.

72324674732540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487457021 (or 5487457019 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 56.

The spelling of 72324674732540 in words is "seventy-two trillion, three hundred twenty-four billion, six hundred seventy-four million, seven hundred thirty-two thousand, five hundred forty".