79070071 has 4 divisors (see below), whose sum is σ = 79115544. Its totient is φ = 79024600.

The previous prime is 79070059. The next prime is 79070083. The reversal of 79070071 is 17007097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17007097 = 23 ⋅739439.

It is an interprime number because it is at equal distance from previous prime (79070059) and next prime (79070083).

It is a cyclic number.

It is not a de Polignac number, because 79070071 - 2⁷ = 79069943 is a prime.

It is a super-2 number, since 2×79070071² = 12504152255890082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79070041) 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, 20020 + ... + 23641.

It is an arithmetic number, because the mean of its divisors is an integer number (19778886).

Almost surely, 2^79070071 is an apocalyptic number.

79070071 is a deficient number, since it is larger than the sum of its proper divisors (45473).

79070071 is a wasteful number, since it uses less digits than its factorization.

79070071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45472.

The product of its (nonzero) digits is 3087, while the sum is 31.

The square root of 79070071 is about 8892.1353453487. The cubic root of 79070071 is about 429.2108674409.

The spelling of 79070071 in words is "seventy-nine million, seventy thousand, seventy-one".