71070964 has 12 divisors (see below), whose sum is σ = 124776288. Its totient is φ = 35420600.

The previous prime is 71070953. The next prime is 71070971. The reversal of 71070964 is 46907017.

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, 27322 + ... + 29809.

It is an arithmetic number, because the mean of its divisors is an integer number (10398024).

Almost surely, 2^71070964 is an apocalyptic number.

It is an amenable number.

71070964 is a deficient number, since it is larger than the sum of its proper divisors (53705324).

71070964 is a wasteful number, since it uses less digits than its factorization.

71070964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57446 (or 57444 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 71070964 is about 8430.3596601806. The cubic root of 71070964 is about 414.2196862780.

The spelling of 71070964 in words is "seventy-one million, seventy thousand, nine hundred sixty-four".