64368667 has 4 divisors (see below), whose sum is σ = 70220376. Its totient is φ = 58516960.

The previous prime is 64368653. The next prime is 64368673. The reversal of 64368667 is 76686346.

64368667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64368667 - 2⁷ = 64368539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64368607) 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, 2925838 + ... + 2925859.

It is an arithmetic number, because the mean of its divisors is an integer number (17555094).

Almost surely, 2^64368667 is an apocalyptic number.

64368667 is a deficient number, since it is larger than the sum of its proper divisors (5851709).

64368667 is a wasteful number, since it uses less digits than its factorization.

64368667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851708.

The product of its digits is 870912, while the sum is 46.

The square root of 64368667 is about 8023.0086002696. The cubic root of 64368667 is about 400.7665861756.

The spelling of 64368667 in words is "sixty-four million, three hundred sixty-eight thousand, six hundred sixty-seven".