79049971 has 32 divisors (see below), whose sum is σ = 107025408. Its totient is φ = 56384640.

The previous prime is 79049939. The next prime is 79049981. The reversal of 79049971 is 17994097.

It is not a de Polignac number, because 79049971 - 2⁵ = 79049939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79049921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156906 + ... + 157408.

It is an arithmetic number, because the mean of its divisors is an integer number (3344544).

Almost surely, 2^79049971 is an apocalyptic number.

79049971 is a deficient number, since it is larger than the sum of its proper divisors (27975437).

79049971 is a wasteful number, since it uses less digits than its factorization.

79049971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 79049971 is about 8891.0050612965. The cubic root of 79049971 is about 429.1744951893.

The spelling of 79049971 in words is "seventy-nine million, forty-nine thousand, nine hundred seventy-one".