71979795 has 24 divisors (see below), whose sum is σ = 127423296. Its totient is φ = 37571328.

The previous prime is 71979779. The next prime is 71979829. The reversal of 71979795 is 59797917.

It is not a de Polignac number, because 71979795 - 2⁴ = 71979779 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14902 + ... + 19131.

It is an arithmetic number, because the mean of its divisors is an integer number (5309304).

Almost surely, 2^71979795 is an apocalyptic number.

71979795 is a deficient number, since it is larger than the sum of its proper divisors (55443501).

71979795 is a wasteful number, since it uses less digits than its factorization.

71979795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34091 (or 34088 counting only the distinct ones).

The product of its digits is 1250235, while the sum is 54.

The square root of 71979795 is about 8484.0906996566. The cubic root of 71979795 is about 415.9778460681.

The spelling of 71979795 in words is "seventy-one million, nine hundred seventy-nine thousand, seven hundred ninety-five".