71456964 has 24 divisors (see below), whose sum is σ = 167014848. Its totient is φ = 23778720.

The previous prime is 71456951. The next prime is 71456989. The reversal of 71456964 is 46965417.

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, 2854 + ... + 12290.

It is an arithmetic number, because the mean of its divisors is an integer number (6958952).

Almost surely, 2^71456964 is an apocalyptic number.

It is an amenable number.

71456964 is an abundant number, since it is smaller than the sum of its proper divisors (95557884).

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

71456964 is a wasteful number, since it uses less digits than its factorization.

71456964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075 (or 10073 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 71456964 is about 8453.2221075753. Note that the first 3 decimals coincide. The cubic root of 71456964 is about 414.9682348552.

The spelling of 71456964 in words is "seventy-one million, four hundred fifty-six thousand, nine hundred sixty-four".