72337345356 has 144 divisors (see below), whose sum is σ = 182674533888. Its totient is φ = 22259952000.

The previous prime is 72337345307. The next prime is 72337345397. The reversal of 72337345356 is 65354373327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30767581 + ... + 30769931.

It is an arithmetic number, because the mean of its divisors is an integer number (1268573152).

Almost surely, 2^72337345356 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 72337345356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91337266944).

72337345356 is an abundant number, since it is smaller than the sum of its proper divisors (110337188532).

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

72337345356 is a wasteful number, since it uses less digits than its factorization.

72337345356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572 (or 2547 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 48.

The spelling of 72337345356 in words is "seventy-two billion, three hundred thirty-seven million, three hundred forty-five thousand, three hundred fifty-six".