72759575572 has 12 divisors (see below), whose sum is σ = 130038390720. Its totient is φ = 35605749656.

The previous prime is 72759575533. The next prime is 72759575597. The reversal of 72759575572 is 27557595727.

It is a self number, because there is not a number n which added to its sum of digits gives 72759575572.

It is a congruent number.

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, 193509322 + ... + 193509697.

It is an arithmetic number, because the mean of its divisors is an integer number (10836532560).

Almost surely, 2^72759575572 is an apocalyptic number.

It is an amenable number.

72759575572 is a deficient number, since it is larger than the sum of its proper divisors (57278815148).

72759575572 is a wasteful number, since it uses less digits than its factorization.

72759575572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387019070 (or 387019068 counting only the distinct ones).

The product of its digits is 54022500, while the sum is 61.

The spelling of 72759575572 in words is "seventy-two billion, seven hundred fifty-nine million, five hundred seventy-five thousand, five hundred seventy-two".