64679144 has 48 divisors (see below), whose sum is σ = 128692800. Its totient is φ = 30459360.

The previous prime is 64679137. The next prime is 64679149. The reversal of 64679144 is 44197646.

It is not an unprimeable number, because it can be changed into a prime (64679149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361247 + ... + 361425.

It is an arithmetic number, because the mean of its divisors is an integer number (2681100).

Almost surely, 2^64679144 is an apocalyptic number.

It is an amenable number.

64679144 is a deficient number, since it is larger than the sum of its proper divisors (64013656).

64679144 is a wasteful number, since it uses less digits than its factorization.

64679144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 259 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 64679144 is about 8042.3344869509. The cubic root of 64679144 is about 401.4099078938.

The spelling of 64679144 in words is "sixty-four million, six hundred seventy-nine thousand, one hundred forty-four".