64648312 has 16 divisors (see below), whose sum is σ = 123795360. Its totient is φ = 31636224.

The previous prime is 64648301. The next prime is 64648321. The reversal of 64648312 is 21384646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85593 + ... + 86344.

It is an arithmetic number, because the mean of its divisors is an integer number (7737210).

Almost surely, 2^64648312 is an apocalyptic number.

It is an amenable number.

64648312 is a deficient number, since it is larger than the sum of its proper divisors (59147048).

64648312 is a wasteful number, since it uses less digits than its factorization.

64648312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171990 (or 171986 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 64648312 is about 8040.4174021005. The cubic root of 64648312 is about 401.3461148553.

The spelling of 64648312 in words is "sixty-four million, six hundred forty-eight thousand, three hundred twelve".