72075412536 has 32 divisors (see below), whose sum is σ = 180266640000. Its totient is φ = 24014723040.

The previous prime is 72075412489. The next prime is 72075412543. The reversal of 72075412536 is 63521457027.

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, 594286 + ... + 705213.

It is an arithmetic number, because the mean of its divisors is an integer number (5633332500).

Almost surely, 2^72075412536 is an apocalyptic number.

It is an amenable number.

72075412536 is an abundant number, since it is smaller than the sum of its proper divisors (108191227464).

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

72075412536 is a wasteful number, since it uses less digits than its factorization.

72075412536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301819 (or 1301815 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 72075412536 in words is "seventy-two billion, seventy-five million, four hundred twelve thousand, five hundred thirty-six".