64650014 has 32 divisors (see below), whose sum is σ = 120639456. Its totient is φ = 25528320.

The previous prime is 64650013. The next prime is 64650037. The reversal of 64650014 is 41005646.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64650011) 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 15 ways as a sum of consecutive naturals, for example, 1787 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (3769983).

Almost surely, 2^64650014 is an apocalyptic number.

64650014 is a deficient number, since it is larger than the sum of its proper divisors (55989442).

64650014 is a wasteful number, since it uses less digits than its factorization.

64650014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 64650014 is about 8040.5232416802. The cubic root of 64650014 is about 401.3496369122.

The spelling of 64650014 in words is "sixty-four million, six hundred fifty thousand, fourteen".