64845914 has 24 divisors (see below), whose sum is σ = 117056340. Its totient is φ = 26831616.

The previous prime is 64845829. The next prime is 64845919. The reversal of 64845914 is 41954846.

It can be written as a sum of positive squares in 2 ways, for example, as 55995289 + 8850625 = 7483^2 + 2975^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64845919) 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, 8567 + ... + 14250.

Almost surely, 2^64845914 is an apocalyptic number.

64845914 is a deficient number, since it is larger than the sum of its proper divisors (52210426).

64845914 is a wasteful number, since it uses less digits than its factorization.

64845914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22862 (or 22855 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 64845914 is about 8052.6960702612. The cubic root of 64845914 is about 401.7546129133.

The spelling of 64845914 in words is "sixty-four million, eight hundred forty-five thousand, nine hundred fourteen".