72402974625 has 32 divisors (see below), whose sum is σ = 126819538560. Its totient is φ = 36582552000.

The previous prime is 72402974531. The next prime is 72402974639. The reversal of 72402974625 is 52647920427.

It is not a de Polignac number, because 72402974625 - 2¹² = 72402970529 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5073786 + ... + 5088035.

It is an arithmetic number, because the mean of its divisors is an integer number (3963110580).

Almost surely, 2^72402974625 is an apocalyptic number.

72402974625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72402974625 is a deficient number, since it is larger than the sum of its proper divisors (54416563935).

72402974625 is a wasteful number, since it uses less digits than its factorization.

72402974625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161858 (or 10161848 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 72402974625 in words is "seventy-two billion, four hundred two million, nine hundred seventy-four thousand, six hundred twenty-five".