64645214 has 16 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 31709400.

The previous prime is 64645183. The next prime is 64645219. The reversal of 64645214 is 41254646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64645219) 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, 23777 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (6176520).

Almost surely, 2^64645214 is an apocalyptic number.

64645214 is a deficient number, since it is larger than the sum of its proper divisors (34179106).

64645214 is a wasteful number, since it uses less digits than its factorization.

64645214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815.

The product of its digits is 23040, while the sum is 32.

The square root of 64645214 is about 8040.2247481025. The cubic root of 64645214 is about 401.3397038082.

The spelling of 64645214 in words is "sixty-four million, six hundred forty-five thousand, two hundred fourteen".