72425587790 has 32 divisors (see below), whose sum is σ = 130570997760. Its totient is φ = 28924740000.

The previous prime is 72425587763. The next prime is 72425587799. The reversal of 72425587790 is 9778552427.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72425587799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30805115 + ... + 30807465.

It is an arithmetic number, because the mean of its divisors is an integer number (4080343680).

Almost surely, 2^72425587790 is an apocalyptic number.

72425587790 is a deficient number, since it is larger than the sum of its proper divisors (58145409970).

72425587790 is a wasteful number, since it uses less digits than its factorization.

72425587790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 72425587790 in words is "seventy-two billion, four hundred twenty-five million, five hundred eighty-seven thousand, seven hundred ninety".