71016964 has 12 divisors (see below), whose sum is σ = 125187804. Its totient is φ = 35249024.

The previous prime is 71016947. The next prime is 71016977. The reversal of 71016964 is 46961017.

It can be written as a sum of positive squares in 2 ways, for example, as 27562500 + 43454464 = 5250^2 + 6592^2 .

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, 64249 + ... + 65344.

It is an arithmetic number, because the mean of its divisors is an integer number (10432317).

Almost surely, 2^71016964 is an apocalyptic number.

It is an amenable number.

71016964 is a deficient number, since it is larger than the sum of its proper divisors (54170840).

71016964 is a wasteful number, since it uses less digits than its factorization.

71016964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129734 (or 129732 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 71016964 is about 8427.1563412577. The cubic root of 71016964 is about 414.1147511106.

The spelling of 71016964 in words is "seventy-one million, sixteen thousand, nine hundred sixty-four".