64965075 has 96 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 26880000.

The previous prime is 64965073. The next prime is 64965079. The reversal of 64965075 is 57056946.

It is not a de Polignac number, because 64965075 - 2¹ = 64965073 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64965073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 258700 + ... + 258950.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^64965075 is an apocalyptic number.

64965075 is an abundant number, since it is smaller than the sum of its proper divisors (70026285).

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

64965075 is a wasteful number, since it uses less digits than its factorization.

64965075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 64965075 is about 8060.0915007213. The cubic root of 64965075 is about 402.0005507282. Note that the first 3 decimals are identical.

The spelling of 64965075 in words is "sixty-four million, nine hundred sixty-five thousand, seventy-five".