64318892 has 24 divisors (see below), whose sum is σ = 125111952. Its totient is φ = 28683200.

The previous prime is 64318883. The next prime is 64318937. The reversal of 64318892 is 29881346.

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, 11459 + ... + 16122.

It is an arithmetic number, because the mean of its divisors is an integer number (5212998).

Almost surely, 2^64318892 is an apocalyptic number.

It is an amenable number.

64318892 is a deficient number, since it is larger than the sum of its proper divisors (60793060).

64318892 is a wasteful number, since it uses less digits than its factorization.

64318892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27649 (or 27647 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 64318892 is about 8019.9059844864. The cubic root of 64318892 is about 400.6632579477.

The spelling of 64318892 in words is "sixty-four million, three hundred eighteen thousand, eight hundred ninety-two".