72714613 has 4 divisors (see below), whose sum is σ = 72872128. Its totient is φ = 72557100.

The previous prime is 72714589. The next prime is 72714617. The reversal of 72714613 is 31641727.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31641727 = 13 ⋅2433979.

It is a cyclic number.

It is not a de Polignac number, because 72714613 - 2⁵ = 72714581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72714617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78063 + ... + 78988.

It is an arithmetic number, because the mean of its divisors is an integer number (18218032).

Almost surely, 2^72714613 is an apocalyptic number.

It is an amenable number.

72714613 is a deficient number, since it is larger than the sum of its proper divisors (157515).

72714613 is a wasteful number, since it uses less digits than its factorization.

72714613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157514.

The product of its digits is 7056, while the sum is 31.

The square root of 72714613 is about 8527.2863796169. The cubic root of 72714613 is about 417.3885832230.

The spelling of 72714613 in words is "seventy-two million, seven hundred fourteen thousand, six hundred thirteen".