72168372727234 has 32 divisors (see below), whose sum is σ = 125349111651456. Its totient is φ = 30523322275200.

The previous prime is 72168372727193. The next prime is 72168372727247. The reversal of 72168372727234 is 43272727386127.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82690419 + ... + 83558614.

It is an arithmetic number, because the mean of its divisors is an integer number (3917159739108).

Almost surely, 2^{72168372727234} is an apocalyptic number.

72168372727234 is a deficient number, since it is larger than the sum of its proper divisors (53180738924222).

72168372727234 is a wasteful number, since it uses less digits than its factorization.

72168372727234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166249450.

The product of its digits is 66382848, while the sum is 61.

The spelling of 72168372727234 in words is "seventy-two trillion, one hundred sixty-eight billion, three hundred seventy-two million, seven hundred twenty-seven thousand, two hundred thirty-four".