71268564 has 24 divisors (see below), whose sum is σ = 166700128. Its totient is φ = 23698080.

The previous prime is 71268523. The next prime is 71268581. The reversal of 71268564 is 46586217.

It is a congruent number.

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, 2002 + ... + 12105.

Almost surely, 2^71268564 is an apocalyptic number.

It is an amenable number.

71268564 is an abundant number, since it is smaller than the sum of its proper divisors (95431564).

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

71268564 is a wasteful number, since it uses less digits than its factorization.

71268564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14535 (or 14533 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 71268564 is about 8442.0710729062. The cubic root of 71268564 is about 414.6032187651.

The spelling of 71268564 in words is "seventy-one million, two hundred sixty-eight thousand, five hundred sixty-four".