72299016576 has 192 divisors, whose sum is σ = 221902228080. Its totient is φ = 22515646464.

The previous prime is 72299016563. The next prime is 72299016577. The reversal of 72299016576 is 67561099227.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72299016577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2669535 + ... + 2696481.

Almost surely, 2^72299016576 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 72299016576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110951114040).

72299016576 is an abundant number, since it is smaller than the sum of its proper divisors (149603211504).

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

72299016576 is a wasteful number, since it uses less digits than its factorization.

72299016576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27121 (or 27106 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 72299016576 in words is "seventy-two billion, two hundred ninety-nine million, sixteen thousand, five hundred seventy-six".