72748303944 has 16 divisors (see below), whose sum is σ = 181870759920. Its totient is φ = 24249434640.

The previous prime is 72748303931. The next prime is 72748303961. The reversal of 72748303944 is 44930384727.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515589642 + ... + 1515589689.

It is an arithmetic number, because the mean of its divisors is an integer number (11366922495).

Almost surely, 2^72748303944 is an apocalyptic number.

It is an amenable number.

72748303944 is an abundant number, since it is smaller than the sum of its proper divisors (109122455976).

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

72748303944 is a wasteful number, since it uses less digits than its factorization.

72748303944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031179340 (or 3031179336 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 72748303944 in words is "seventy-two billion, seven hundred forty-eight million, three hundred three thousand, nine hundred forty-four".