71475864 has 16 divisors (see below), whose sum is σ = 178689720. Its totient is φ = 23825280.

The previous prime is 71475851. The next prime is 71475869. The reversal of 71475864 is 46857417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71475869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489057 + ... + 1489104.

Almost surely, 2^71475864 is an apocalyptic number.

It is an amenable number.

71475864 is an abundant number, since it is smaller than the sum of its proper divisors (107213856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71475864 is a wasteful number, since it uses less digits than its factorization.

71475864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978170 (or 2978166 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 71475864 is about 8454.3399505816. The cubic root of 71475864 is about 415.0048172857.

The spelling of 71475864 in words is "seventy-one million, four hundred seventy-five thousand, eight hundred sixty-four".