71475164 has 24 divisors (see below), whose sum is σ = 129554208. Its totient is φ = 34482240.

The previous prime is 71475163. The next prime is 71475179. The reversal of 71475164 is 46157417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71475163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10169 + ... + 15695.

It is an arithmetic number, because the mean of its divisors is an integer number (5398092).

Almost surely, 2^71475164 is an apocalyptic number.

It is an amenable number.

71475164 is a deficient number, since it is larger than the sum of its proper divisors (58079044).

71475164 is a wasteful number, since it uses less digits than its factorization.

71475164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645 (or 5643 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 71475164 is about 8454.2985516245. The cubic root of 71475164 is about 415.0034624959.

The spelling of 71475164 in words is "seventy-one million, four hundred seventy-five thousand, one hundred sixty-four".