72236314144 has 12 divisors (see below), whose sum is σ = 142215243534. Its totient is φ = 36118157056.

The previous prime is 72236314127. The next prime is 72236314151. The reversal of 72236314144 is 44141363227.

It can be written as a sum of positive squares in only one way, i.e., 64509904144 + 7726410000 = 253988^2 + 87900^2 .

It is a super-2 number, since 2×72236314144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128692377 + ... + 1128692440.

Almost surely, 2^72236314144 is an apocalyptic number.

It is an amenable number.

72236314144 is a deficient number, since it is larger than the sum of its proper divisors (69978929390).

72236314144 is a wasteful number, since it uses less digits than its factorization.

72236314144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257384827 (or 2257384819 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The spelling of 72236314144 in words is "seventy-two billion, two hundred thirty-six million, three hundred fourteen thousand, one hundred forty-four".