72507387088 has 10 divisors (see below), whose sum is σ = 140483062514. Its totient is φ = 36253693536.

The previous prime is 72507387059. The next prime is 72507387179. The reversal of 72507387088 is 88078370527.

It can be written as a sum of positive squares in only one way, i.e., 66601157184 + 5906229904 = 258072^2 + 76852^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265855831 + ... + 2265855862.

Almost surely, 2^72507387088 is an apocalyptic number.

It is an amenable number.

72507387088 is a deficient number, since it is larger than the sum of its proper divisors (67975675426).

72507387088 is a wasteful number, since it uses less digits than its factorization.

72507387088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531711701 (or 4531711695 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 72507387088 in words is "seventy-two billion, five hundred seven million, three hundred eighty-seven thousand, eighty-eight".