72632209590 has 24 divisors (see below), whose sum is σ = 188843745168. Its totient is φ = 19368589200.

The previous prime is 72632209577. The next prime is 72632209591. The reversal of 72632209590 is 9590223627.

It is a happy number.

72632209590 is a `hidden beast` number, since 7 + 2 + 6 + 32 + 20 + 9 + 590 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72632209591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403512186 + ... + 403512365.

It is an arithmetic number, because the mean of its divisors is an integer number (7868489382).

Almost surely, 2^72632209590 is an apocalyptic number.

72632209590 is an abundant number, since it is smaller than the sum of its proper divisors (116211535578).

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

72632209590 is a wasteful number, since it uses less digits than its factorization.

72632209590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807024564 (or 807024561 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 72632209590 in words is "seventy-two billion, six hundred thirty-two million, two hundred nine thousand, five hundred ninety".