71118964 has 12 divisors (see below), whose sum is σ = 142237984. Its totient is φ = 30479544.

The previous prime is 71118917. The next prime is 71118979. The reversal of 71118964 is 46981117.

71118964 is an admirable number.

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, 1269954 + ... + 1270009.

Almost surely, 2^71118964 is an apocalyptic number.

It is an amenable number.

71118964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71118964 is a wasteful number, since it uses less digits than its factorization.

71118964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539974 (or 2539972 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 71118964 is about 8433.2060332948. The cubic root of 71118964 is about 414.3129173689.

The spelling of 71118964 in words is "seventy-one million, one hundred eighteen thousand, nine hundred sixty-four".