64275044 has 12 divisors (see below), whose sum is σ = 115225068. Its totient is φ = 31353600.

The previous prime is 64275037. The next prime is 64275053. The reversal of 64275044 is 44057246.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 28729600 = 5962^2 + 5360^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64275044.

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, 195797 + ... + 196124.

It is an arithmetic number, because the mean of its divisors is an integer number (9602089).

Almost surely, 2^64275044 is an apocalyptic number.

It is an amenable number.

64275044 is a deficient number, since it is larger than the sum of its proper divisors (50950024).

64275044 is a wasteful number, since it uses less digits than its factorization.

64275044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391966 (or 391964 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 64275044 is about 8017.1718205362. The cubic root of 64275044 is about 400.5721894412.

The spelling of 64275044 in words is "sixty-four million, two hundred seventy-five thousand, forty-four".