72152515176744 has 128 divisors (see below), whose sum is σ = 203466380544000. Its totient is φ = 21186340199424.

The previous prime is 72152515176691. The next prime is 72152515176751. The reversal of 72152515176744 is 44767151525127.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55426464 + ... + 56713295.

It is an arithmetic number, because the mean of its divisors is an integer number (1589581098000).

Almost surely, 2^{72152515176744} is an apocalyptic number.

It is an amenable number.

72152515176744 is an abundant number, since it is smaller than the sum of its proper divisors (131313865367256).

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

72152515176744 is a wasteful number, since it uses less digits than its factorization.

72152515176744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112139887 (or 112139883 counting only the distinct ones).

The product of its digits is 16464000, while the sum is 57.

The spelling of 72152515176744 in words is "seventy-two trillion, one hundred fifty-two billion, five hundred fifteen million, one hundred seventy-six thousand, seven hundred forty-four".