72337542400 has 54 divisors (see below), whose sum is σ = 179046736022. Its totient is φ = 28935014400.

The previous prime is 72337542371. The next prime is 72337542427. The reversal of 72337542400 is 424573327.

It can be written as a sum of positive squares in 3 ways, for example, as 3768977664 + 68568564736 = 61392^2 + 261856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72337542400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5644971 + ... + 5657770.

Almost surely, 2^72337542400 is an apocalyptic number.

It is an amenable number.

72337542400 is an abundant number, since it is smaller than the sum of its proper divisors (106709193622).

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

72337542400 is a wasteful number, since it uses less digits than its factorization.

72337542400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302767 (or 11302748 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 37.

The spelling of 72337542400 in words is "seventy-two billion, three hundred thirty-seven million, five hundred forty-two thousand, four hundred".