79470169 has 4 divisors (see below), whose sum is σ = 79488000. Its totient is φ = 79452340.

The previous prime is 79470163. The next prime is 79470187. The reversal of 79470169 is 96107497.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 79470169 - 2⁵ = 79470137 is a prime.

It is a super-2 number, since 2×79470169² = 12631015521777122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79470163) 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, 4332 + ... + 13330.

It is an arithmetic number, because the mean of its divisors is an integer number (19872000).

Almost surely, 2^79470169 is an apocalyptic number.

It is an amenable number.

79470169 is a deficient number, since it is larger than the sum of its proper divisors (17831).

79470169 is an equidigital number, since it uses as much as digits as its factorization.

79470169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17830.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 79470169 is about 8914.6042536952. The cubic root of 79470169 is about 429.9335916916.

The spelling of 79470169 in words is "seventy-nine million, four hundred seventy thousand, one hundred sixty-nine".