64875692 has 48 divisors (see below), whose sum is σ = 133297920. Its totient is φ = 27054912.

The previous prime is 64875677. The next prime is 64875721. The reversal of 64875692 is 29657846.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285683 + ... + 285909.

It is an arithmetic number, because the mean of its divisors is an integer number (2777040).

Almost surely, 2^64875692 is an apocalyptic number.

It is an amenable number.

64875692 is an abundant number, since it is smaller than the sum of its proper divisors (68422228).

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

64875692 is a wasteful number, since it uses less digits than its factorization.

64875692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 64875692 is about 8054.5448040221. The cubic root of 64875692 is about 401.8161003036.

The spelling of 64875692 in words is "sixty-four million, eight hundred seventy-five thousand, six hundred ninety-two".