64523914 has 32 divisors (see below), whose sum is σ = 122040576. Its totient is φ = 24900480.

The previous prime is 64523911. The next prime is 64523917. The reversal of 64523914 is 41932546.

It is a happy number.

64523914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64523911) and next prime (64523917).

It is a self number, because there is not a number n which added to its sum of digits gives 64523914.

It is not an unprimeable number, because it can be changed into a prime (64523911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139 + ... + 11785.

It is an arithmetic number, because the mean of its divisors is an integer number (3813768).

Almost surely, 2^64523914 is an apocalyptic number.

64523914 is a deficient number, since it is larger than the sum of its proper divisors (57516662).

64523914 is a wasteful number, since it uses less digits than its factorization.

64523914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8710.

The product of its digits is 25920, while the sum is 34.

The square root of 64523914 is about 8032.6778847406. The cubic root of 64523914 is about 401.0885226093.

The spelling of 64523914 in words is "sixty-four million, five hundred twenty-three thousand, nine hundred fourteen".