71062664 has 16 divisors (see below), whose sum is σ = 137541120. Its totient is φ = 34385040.

The previous prime is 71062657. The next prime is 71062697. The reversal of 71062664 is 46626017.

It is a self number, because there is not a number n which added to its sum of digits gives 71062664.

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, 143024 + ... + 143519.

It is an arithmetic number, because the mean of its divisors is an integer number (8596320).

Almost surely, 2^71062664 is an apocalyptic number.

It is an amenable number.

71062664 is a deficient number, since it is larger than the sum of its proper divisors (66478456).

71062664 is a wasteful number, since it uses less digits than its factorization.

71062664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286580 (or 286576 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 71062664 is about 8429.8673773672. The cubic root of 71062664 is about 414.2035608120.

The spelling of 71062664 in words is "seventy-one million, sixty-two thousand, six hundred sixty-four".