72522404736 has 512 divisors, whose sum is σ = 223351603200. Its totient is φ = 20717469696.

The previous prime is 72522404707. The next prime is 72522404743. The reversal of 72522404736 is 63740422527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303440905 + ... + 303441143.

It is an arithmetic number, because the mean of its divisors is an integer number (436233600).

Almost surely, 2^72522404736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72522404736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111675801600).

72522404736 is an abundant number, since it is smaller than the sum of its proper divisors (150829198464).

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

72522404736 is a wasteful number, since it uses less digits than its factorization.

72522404736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 72522404736 in words is "seventy-two billion, five hundred twenty-two million, four hundred four thousand, seven hundred thirty-six".