72608636144 has 40 divisors (see below), whose sum is σ = 153526326960. Its totient is φ = 32991436800.

The previous prime is 72608636141. The next prime is 72608636159. The reversal of 72608636144 is 44163680627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72608636141) 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, 396554 + ... + 549974.

It is an arithmetic number, because the mean of its divisors is an integer number (3838158174).

Almost surely, 2^72608636144 is an apocalyptic number.

It is an amenable number.

72608636144 is an abundant number, since it is smaller than the sum of its proper divisors (80917690816).

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

72608636144 is a wasteful number, since it uses less digits than its factorization.

72608636144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156129 (or 156123 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 72608636144 in words is "seventy-two billion, six hundred eight million, six hundred thirty-six thousand, one hundred forty-four".