72711402344 has 32 divisors (see below), whose sum is σ = 161182915200. Its totient is φ = 30087476160.

The previous prime is 72711402343. The next prime is 72711402391. The reversal of 72711402344 is 44320411727.

It is not an unprimeable number, because it can be changed into a prime (72711402343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22384892 + ... + 22388139.

It is an arithmetic number, because the mean of its divisors is an integer number (5036966100).

Almost surely, 2^72711402344 is an apocalyptic number.

It is an amenable number.

72711402344 is an abundant number, since it is smaller than the sum of its proper divisors (88471512856).

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

72711402344 is a wasteful number, since it uses less digits than its factorization.

72711402344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44773073 (or 44773069 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 72711402344 in words is "seventy-two billion, seven hundred eleven million, four hundred two thousand, three hundred forty-four".