79075969 has 4 divisors (see below), whose sum is σ = 90372544. Its totient is φ = 67779396.

The previous prime is 79075963. The next prime is 79075973. The reversal of 79075969 is 96957097.

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.

It is a cyclic number.

It is not a de Polignac number, because 79075969 - 2⁵ = 79075937 is a prime.

It is a super-2 number, since 2×79075969² = 12506017746577922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79075963) 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, 5648277 + ... + 5648290.

It is an arithmetic number, because the mean of its divisors is an integer number (22593136).

Almost surely, 2^79075969 is an apocalyptic number.

It is an amenable number.

79075969 is a deficient number, since it is larger than the sum of its proper divisors (11296575).

79075969 is a wasteful number, since it uses less digits than its factorization.

79075969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11296574.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 79075969 is about 8892.4669805403. The cubic root of 79075969 is about 429.2215390841.

The spelling of 79075969 in words is "seventy-nine million, seventy-five thousand, nine hundred sixty-nine".