6664795 has 4 divisors (see below), whose sum is σ = 7997760. Its totient is φ = 5331832.

The previous prime is 6664789. The next prime is 6664811. The reversal of 6664795 is 5974666.

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 6664795 - 2³ = 6664787 is a prime.

It is an unprimeable number.

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, 666475 + ... + 666484.

It is an arithmetic number, because the mean of its divisors is an integer number (1999440).

Almost surely, 2^6664795 is an apocalyptic number.

6664795 is a deficient number, since it is larger than the sum of its proper divisors (1332965).

6664795 is a wasteful number, since it uses less digits than its factorization.

6664795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332964.

The product of its digits is 272160, while the sum is 43.

The square root of 6664795 is about 2581.6264253373. The cubic root of 6664795 is about 188.1895910700.

The spelling of 6664795 in words is "six million, six hundred sixty-four thousand, seven hundred ninety-five".