72152711717430 has 64 divisors (see below), whose sum is σ = 177170902050816. Its totient is φ = 18799968240000.

The previous prime is 72152711717413. The next prime is 72152711717459. The reversal of 72152711717430 is 3471711725127.

It is a self number, because there is not a number n which added to its sum of digits gives 72152711717430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130279006 + ... + 130831665.

It is an arithmetic number, because the mean of its divisors is an integer number (2768295344544).

Almost surely, 2^{72152711717430} is an apocalyptic number.

72152711717430 is an abundant number, since it is smaller than the sum of its proper divisors (105018190333386).

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

72152711717430 is a wasteful number, since it uses less digits than its factorization.

72152711717430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261110893.

The product of its (nonzero) digits is 576240, while the sum is 48.

The spelling of 72152711717430 in words is "seventy-two trillion, one hundred fifty-two billion, seven hundred eleven million, seven hundred seventeen thousand, four hundred thirty".