72160113 has 4 divisors (see below), whose sum is σ = 96213488. Its totient is φ = 48106740.

The previous prime is 72160103. The next prime is 72160129. The reversal of 72160113 is 31106127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72160113 - 2⁹ = 72159601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72160113.

It is not an unprimeable number, because it can be changed into a prime (72160103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12026683 + ... + 12026688.

It is an arithmetic number, because the mean of its divisors is an integer number (24053372).

Almost surely, 2^72160113 is an apocalyptic number.

It is an amenable number.

72160113 is a deficient number, since it is larger than the sum of its proper divisors (24053375).

72160113 is a wasteful number, since it uses less digits than its factorization.

72160113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24053374.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 72160113 is about 8494.7108838382. The cubic root of 72160113 is about 416.3249145075.

The spelling of 72160113 in words is "seventy-two million, one hundred sixty thousand, one hundred thirteen".