71471164 has 12 divisors (see below), whose sum is σ = 125227144. Its totient is φ = 35691984.

The previous prime is 71471131. The next prime is 71471171. The reversal of 71471164 is 46117417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7062 + ... + 13885.

Almost surely, 2^71471164 is an apocalyptic number.

It is an amenable number.

71471164 is a deficient number, since it is larger than the sum of its proper divisors (53755980).

71471164 is a wasteful number, since it uses less digits than its factorization.

71471164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21804 (or 21802 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 71471164 is about 8454.0619822663. The cubic root of 71471164 is about 414.9957206701.

The spelling of 71471164 in words is "seventy-one million, four hundred seventy-one thousand, one hundred sixty-four".