72983803256 has 72 divisors (see below), whose sum is σ = 169410573720. Its totient is φ = 28862316288.

The previous prime is 72983803157. The next prime is 72983803301. The reversal of 72983803256 is 65230838927.

It is a junction number, because it is equal to n+sod(n) for n = 72983803198 and 72983803207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26280140 + ... + 26282916.

It is an arithmetic number, because the mean of its divisors is an integer number (2352924635).

Almost surely, 2^72983803256 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 72983803256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84705286860).

72983803256 is an abundant number, since it is smaller than the sum of its proper divisors (96426770464).

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

72983803256 is an equidigital number, since it uses as much as digits as its factorization.

72983803256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 72983803256 in words is "seventy-two billion, nine hundred eighty-three million, eight hundred three thousand, two hundred fifty-six".