64436914 has 8 divisors (see below), whose sum is σ = 96784668. Its totient is φ = 32175360.

The previous prime is 64436899. The next prime is 64436921. The reversal of 64436914 is 41963446.

It can be written as a sum of positive squares in 2 ways, for example, as 62141689 + 2295225 = 7883^2 + 1515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 19647 + ... + 22690.

Almost surely, 2^64436914 is an apocalyptic number.

64436914 is a deficient number, since it is larger than the sum of its proper divisors (32347754).

64436914 is a wasteful number, since it uses less digits than its factorization.

64436914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43100.

The product of its digits is 62208, while the sum is 37.

The square root of 64436914 is about 8027.2606784631. The cubic root of 64436914 is about 400.9081739895.

The spelling of 64436914 in words is "sixty-four million, four hundred thirty-six thousand, nine hundred fourteen".