71645125652 has 24 divisors (see below), whose sum is σ = 132796573056. Its totient is φ = 33704592768.

The previous prime is 71645125627. The next prime is 71645125687. The reversal of 71645125652 is 25652154617.

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, 48533 + ... + 381635.

It is an arithmetic number, because the mean of its divisors is an integer number (5533190544).

Almost surely, 2^71645125652 is an apocalyptic number.

It is an amenable number.

71645125652 is a deficient number, since it is larger than the sum of its proper divisors (61151447404).

71645125652 is a wasteful number, since it uses less digits than its factorization.

71645125652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336287 (or 336285 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 71645125652 in words is "seventy-one billion, six hundred forty-five million, one hundred twenty-five thousand, six hundred fifty-two".