72754373332 has 24 divisors (see below), whose sum is σ = 127575316232. Its totient is φ = 36304329600.

The previous prime is 72754373303. The next prime is 72754373347. The reversal of 72754373332 is 23337345727.

It can be written as a sum of positive squares in 4 ways, for example, as 1655350596 + 71099022736 = 40686^2 + 266644^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11327482 + ... + 11333902.

Almost surely, 2^72754373332 is an apocalyptic number.

It is an amenable number.

72754373332 is a deficient number, since it is larger than the sum of its proper divisors (54820942900).

72754373332 is a wasteful number, since it uses less digits than its factorization.

72754373332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11659 (or 11657 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 46.

The spelling of 72754373332 in words is "seventy-two billion, seven hundred fifty-four million, three hundred seventy-three thousand, three hundred thirty-two".