72452110728 has 32 divisors (see below), whose sum is σ = 181410269760. Its totient is φ = 24113371200.

The previous prime is 72452110723. The next prime is 72452110741. The reversal of 72452110728 is 82701125427.

It is not an unprimeable number, because it can be changed into a prime (72452110723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317423 + ... + 2348478.

It is an arithmetic number, because the mean of its divisors is an integer number (5669070930).

Almost surely, 2^72452110728 is an apocalyptic number.

It is an amenable number.

72452110728 is an abundant number, since it is smaller than the sum of its proper divisors (108958159032).

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

72452110728 is a wasteful number, since it uses less digits than its factorization.

72452110728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666557 (or 4666553 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 72452110728 in words is "seventy-two billion, four hundred fifty-two million, one hundred ten thousand, seven hundred twenty-eight".