72108717093 has 48 divisors (see below), whose sum is σ = 119395036800. Its totient is φ = 41081149440.

The previous prime is 72108717059. The next prime is 72108717113. The reversal of 72108717093 is 39071780127.

It is not a de Polignac number, because 72108717093 - 2¹⁶ = 72108651557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72108717013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44538238 + ... + 44539856.

It is an arithmetic number, because the mean of its divisors is an integer number (2487396600).

Almost surely, 2^72108717093 is an apocalyptic number.

It is an amenable number.

72108717093 is a deficient number, since it is larger than the sum of its proper divisors (47286319707).

72108717093 is a wasteful number, since it uses less digits than its factorization.

72108717093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 72108717093 in words is "seventy-two billion, one hundred eight million, seven hundred seventeen thousand, ninety-three".