64568803 has 4 divisors (see below), whose sum is σ = 69535648. Its totient is φ = 59601960.

The previous prime is 64568773. The next prime is 64568807. The reversal of 64568803 is 30886546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64568803 - 2²⁵ = 31014371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64568807) 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 3 ways as a sum of consecutive naturals, for example, 2483403 + ... + 2483428.

It is an arithmetic number, because the mean of its divisors is an integer number (17383912).

Almost surely, 2^64568803 is an apocalyptic number.

64568803 is a deficient number, since it is larger than the sum of its proper divisors (4966845).

64568803 is a wasteful number, since it uses less digits than its factorization.

64568803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966844.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 64568803 is about 8035.4715480798. The cubic root of 64568803 is about 401.1815128821.

The spelling of 64568803 in words is "sixty-four million, five hundred sixty-eight thousand, eight hundred three".