79343261 has 4 divisors (see below), whose sum is σ = 82792992. Its totient is φ = 75893532.

The previous prime is 79343237. The next prime is 79343273. The reversal of 79343261 is 16234397.

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: 16234397 = 73 ⋅222389.

It is a cyclic number.

It is not a de Polignac number, because 79343261 - 2¹⁸ = 79081117 is a prime.

It is a super-2 number, since 2×79343261² = 12590706132228242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79343161) 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, 1724831 + ... + 1724876.

It is an arithmetic number, because the mean of its divisors is an integer number (20698248).

Almost surely, 2^79343261 is an apocalyptic number.

It is an amenable number.

79343261 is a deficient number, since it is larger than the sum of its proper divisors (3449731).

79343261 is a wasteful number, since it uses less digits than its factorization.

79343261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449730.

The product of its digits is 27216, while the sum is 35.

The square root of 79343261 is about 8907.4834268720. The cubic root of 79343261 is about 429.7046123459.

The spelling of 79343261 in words is "seventy-nine million, three hundred forty-three thousand, two hundred sixty-one".