72942944256 has 680 divisors, whose sum is σ = 269993677184. Its totient is φ = 19110297600.

The previous prime is 72942944233. The next prime is 72942944267. The reversal of 72942944256 is 65244924927.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 483065781 + ... + 483065931.

Almost surely, 2^72942944256 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 72942944256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134996838592).

72942944256 is an abundant number, since it is smaller than the sum of its proper divisors (197050732928).

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

72942944256 is an equidigital number, since it uses as much as digits as its factorization.

72942944256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 176 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 72942944256 in words is "seventy-two billion, nine hundred forty-two million, nine hundred forty-four thousand, two hundred fifty-six".