71358864 has 40 divisors (see below), whose sum is σ = 184675680. Its totient is φ = 23743488.

The previous prime is 71358841. The next prime is 71358871. The reversal of 71358864 is 46885317.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36832 + ... + 38720.

It is an arithmetic number, because the mean of its divisors is an integer number (4616892).

Almost surely, 2^71358864 is an apocalyptic number.

It is an amenable number.

71358864 is an abundant number, since it is smaller than the sum of its proper divisors (113316816).

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

71358864 is a wasteful number, since it uses less digits than its factorization.

71358864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687 (or 2681 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 71358864 is about 8447.4175935608. The cubic root of 71358864 is about 414.7782509139.

The spelling of 71358864 in words is "seventy-one million, three hundred fifty-eight thousand, eight hundred sixty-four".