64314544 has 40 divisors (see below), whose sum is σ = 149911040. Its totient is φ = 26111808.

The previous prime is 64314517. The next prime is 64314559. The reversal of 64314544 is 44541346.

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, 12984 + ... + 17239.

It is an arithmetic number, because the mean of its divisors is an integer number (3747776).

Almost surely, 2^64314544 is an apocalyptic number.

It is an amenable number.

64314544 is an abundant number, since it is smaller than the sum of its proper divisors (85596496).

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

64314544 is a wasteful number, since it uses less digits than its factorization.

64314544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257 (or 30251 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 64314544 is about 8019.6349044081. The cubic root of 64314544 is about 400.6542293764.

The spelling of 64314544 in words is "sixty-four million, three hundred fourteen thousand, five hundred forty-four".