72613637372135 has 16 divisors (see below), whose sum is σ = 92482229196000. Its totient is φ = 54543311133696.

The previous prime is 72613637372051. The next prime is 72613637372167. The reversal of 72613637372135 is 53127373631627.

It is a de Polignac number, because none of the positive numbers 2^k-72613637372135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019389310 + ... + 1019460539.

It is an arithmetic number, because the mean of its divisors is an integer number (5780139324750).

Almost surely, 2^{72613637372135} is an apocalyptic number.

72613637372135 is a deficient number, since it is larger than the sum of its proper divisors (19868591823865).

72613637372135 is a wasteful number, since it uses less digits than its factorization.

72613637372135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038850290.

The product of its digits is 20003760, while the sum is 56.

The spelling of 72613637372135 in words is "seventy-two trillion, six hundred thirteen billion, six hundred thirty-seven million, three hundred seventy-two thousand, one hundred thirty-five".