64441914 has 16 divisors (see below), whose sum is σ = 132027840. Its totient is φ = 20956640.

The previous prime is 64441879. The next prime is 64441919. The reversal of 64441914 is 41914446.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64441919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130734 + ... + 131225.

It is an arithmetic number, because the mean of its divisors is an integer number (8251740).

Almost surely, 2^64441914 is an apocalyptic number.

64441914 is an abundant number, since it is smaller than the sum of its proper divisors (67585926).

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

64441914 is a wasteful number, since it uses less digits than its factorization.

64441914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262005.

The product of its digits is 13824, while the sum is 33.

The square root of 64441914 is about 8027.5721111679. The cubic root of 64441914 is about 400.9185432478.

The spelling of 64441914 in words is "sixty-four million, four hundred forty-one thousand, nine hundred fourteen".