71116969 has 32 divisors (see below), whose sum is σ = 92860416. Its totient is φ = 52859520.

The previous prime is 71116957. The next prime is 71116979. The reversal of 71116969 is 96961117.

It is not a de Polignac number, because 71116969 - 2⁷ = 71116841 is a prime.

It is a super-2 number, since 2×71116969² = 10115246559493922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71116909) 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, 155389 + ... + 155845.

It is an arithmetic number, because the mean of its divisors is an integer number (2901888).

Almost surely, 2^71116969 is an apocalyptic number.

It is an amenable number.

71116969 is a deficient number, since it is larger than the sum of its proper divisors (21743447).

71116969 is a wasteful number, since it uses less digits than its factorization.

71116969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its digits is 20412, while the sum is 40.

The square root of 71116969 is about 8433.0877500474. The cubic root of 71116969 is about 414.3090432874.

The spelling of 71116969 in words is "seventy-one million, one hundred sixteen thousand, nine hundred sixty-nine".