72152756572 has 18 divisors (see below), whose sum is σ = 136727340288. Its totient is φ = 33301271952.

The previous prime is 72152756513. The next prime is 72152756597. The reversal of 72152756572 is 27565725127.

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 in 5 ways as a sum of consecutive naturals, for example, 53366748 + ... + 53368099.

Almost surely, 2^72152756572 is an apocalyptic number.

It is an amenable number.

72152756572 is a deficient number, since it is larger than the sum of its proper divisors (64574583716).

72152756572 is a wasteful number, since it uses less digits than its factorization.

72152756572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106734877 (or 106734862 counting only the distinct ones).

The product of its digits is 2058000, while the sum is 49.

The spelling of 72152756572 in words is "seventy-two billion, one hundred fifty-two million, seven hundred fifty-six thousand, five hundred seventy-two".