72457484844 has 24 divisors (see below), whose sum is σ = 176418224640. Its totient is φ = 23102386384.

The previous prime is 72457484833. The next prime is 72457484849. The reversal of 72457484844 is 44848475427.

It is not an unprimeable number, because it can be changed into a prime (72457484849) 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, 131263284 + ... + 131263835.

It is an arithmetic number, because the mean of its divisors is an integer number (7350759360).

Almost surely, 2^72457484844 is an apocalyptic number.

It is an amenable number.

72457484844 is an abundant number, since it is smaller than the sum of its proper divisors (103960739796).

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

72457484844 is a wasteful number, since it uses less digits than its factorization.

72457484844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262527149 (or 262527147 counting only the distinct ones).

The product of its digits is 32112640, while the sum is 57.

The spelling of 72457484844 in words is "seventy-two billion, four hundred fifty-seven million, four hundred eighty-four thousand, eight hundred forty-four".