71016864 has 24 divisors (see below), whose sum is σ = 186419520. Its totient is φ = 23672256.

The previous prime is 71016823. The next prime is 71016899. The reversal of 71016864 is 46861017.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369784 + ... + 369975.

It is an arithmetic number, because the mean of its divisors is an integer number (7767480).

Almost surely, 2^71016864 is an apocalyptic number.

It is an amenable number.

71016864 is an abundant number, since it is smaller than the sum of its proper divisors (115402656).

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

71016864 is a wasteful number, since it uses less digits than its factorization.

71016864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739772 (or 739764 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 71016864 is about 8427.1504080561. The cubic root of 71016864 is about 414.1145567369.

The spelling of 71016864 in words is "seventy-one million, sixteen thousand, eight hundred sixty-four".