64002866 has 8 divisors (see below), whose sum is σ = 96311964. Its totient is φ = 31898880.

The previous prime is 64002863. The next prime is 64002871. The reversal of 64002866 is 66820046.

It is a happy number.

64002866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59613841 + 4389025 = 7721^2 + 2095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64002863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50495 + ... + 51746.

Almost surely, 2^64002866 is an apocalyptic number.

64002866 is a deficient number, since it is larger than the sum of its proper divisors (32309098).

64002866 is a wasteful number, since it uses less digits than its factorization.

64002866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102556.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 64002866 is about 8000.1791229947. The cubic root of 64002866 is about 400.0059707442.

The spelling of 64002866 in words is "sixty-four million, two thousand, eight hundred sixty-six".