79622613 has 24 divisors (see below), whose sum is σ = 132038400. Its totient is φ = 45291744.

The previous prime is 79622581. The next prime is 79622617. The reversal of 79622613 is 31622697.

It is not a de Polignac number, because 79622613 - 2⁵ = 79622581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79622617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11668 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (5501600).

Almost surely, 2^79622613 is an apocalyptic number.

It is an amenable number.

79622613 is a deficient number, since it is larger than the sum of its proper divisors (52415787).

79622613 is a wasteful number, since it uses less digits than its factorization.

79622613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761 (or 5758 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 79622613 is about 8923.1503965808. The cubic root of 79622613 is about 430.2083234301.

It can be divided in two parts, 796 and 22613, that added together give a square (23409 = 153²).

The spelling of 79622613 in words is "seventy-nine million, six hundred twenty-two thousand, six hundred thirteen".