72232102432756 has 144 divisors (see below), whose sum is σ = 155010683741760. Its totient is φ = 29284225850880.

The previous prime is 72232102432747. The next prime is 72232102432769. The reversal of 72232102432756 is 65723420123227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11005954731 + ... + 11005961293.

It is an arithmetic number, because the mean of its divisors is an integer number (1076463081540).

Almost surely, 2^{72232102432756} is an apocalyptic number.

72232102432756 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72232102432756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77505341870880).

72232102432756 is an abundant number, since it is smaller than the sum of its proper divisors (82778581309004).

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

72232102432756 is a wasteful number, since it uses less digits than its factorization.

72232102432756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10494 (or 10485 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 72232102432756 in words is "seventy-two trillion, two hundred thirty-two billion, one hundred two million, four hundred thirty-two thousand, seven hundred fifty-six".