64814205 has 16 divisors (see below), whose sum is σ = 104094720. Its totient is φ = 34436928.

The previous prime is 64814173. The next prime is 64814209. The reversal of 64814205 is 50241846.

It is not a de Polignac number, because 64814205 - 2⁵ = 64814173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64814209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3997 + ... + 12066.

It is an arithmetic number, because the mean of its divisors is an integer number (6505920).

Almost surely, 2^64814205 is an apocalyptic number.

It is an amenable number.

64814205 is a deficient number, since it is larger than the sum of its proper divisors (39280515).

64814205 is a wasteful number, since it uses less digits than its factorization.

64814205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16340.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 64814205 is about 8050.7269858069. The cubic root of 64814205 is about 401.6891175811.

The spelling of 64814205 in words is "sixty-four million, eight hundred fourteen thousand, two hundred five".