79634413 has 4 divisors (see below), whose sum is σ = 79678080. Its totient is φ = 79590748.

The previous prime is 79634411. The next prime is 79634431. The reversal of 79634413 is 31443697.

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: 31443697 = 443 ⋅70979.

It is a cyclic number.

It is not a de Polignac number, because 79634413 - 2¹ = 79634411 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 (79634411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18973 + ... + 22786.

It is an arithmetic number, because the mean of its divisors is an integer number (19919520).

Almost surely, 2^79634413 is an apocalyptic number.

It is an amenable number.

79634413 is a deficient number, since it is larger than the sum of its proper divisors (43667).

79634413 is a wasteful number, since it uses less digits than its factorization.

79634413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43666.

The product of its digits is 54432, while the sum is 37.

The square root of 79634413 is about 8923.8115735374. The cubic root of 79634413 is about 430.2295745432.

The spelling of 79634413 in words is "seventy-nine million, six hundred thirty-four thousand, four hundred thirteen".