6975663 has 8 divisors (see below), whose sum is σ = 9343488. Its totient is φ = 4629144.

The previous prime is 6975659. The next prime is 6975697. The reversal of 6975663 is 3665796.

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

It is not a de Polignac number, because 6975663 - 2² = 6975659 is a prime.

6975663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6975613) 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 7 ways as a sum of consecutive naturals, for example, 4545 + ... + 5882.

It is an arithmetic number, because the mean of its divisors is an integer number (1167936).

Almost surely, 2^6975663 is an apocalyptic number.

6975663 is a deficient number, since it is larger than the sum of its proper divisors (2367825).

6975663 is a wasteful number, since it uses less digits than its factorization.

6975663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653.

The product of its digits is 204120, while the sum is 42.

The square root of 6975663 is about 2641.1480458316. The cubic root of 6975663 is about 191.0711703560.

The spelling of 6975663 in words is "six million, nine hundred seventy-five thousand, six hundred sixty-three".