64335805 has 16 divisors (see below), whose sum is σ = 81587520. Its totient is φ = 48567168.

The previous prime is 64335797. The next prime is 64335811. The reversal of 64335805 is 50853346.

It is a cyclic number.

It is not a de Polignac number, because 64335805 - 2³ = 64335797 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 25689 + ... + 28081.

It is an arithmetic number, because the mean of its divisors is an integer number (5099220).

Almost surely, 2^64335805 is an apocalyptic number.

It is an amenable number.

64335805 is a deficient number, since it is larger than the sum of its proper divisors (17251715).

64335805 is a wasteful number, since it uses less digits than its factorization.

64335805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 64335805 is about 8020.9603539726. The cubic root of 64335805 is about 400.6983737257.

The spelling of 64335805 in words is "sixty-four million, three hundred thirty-five thousand, eight hundred five".