6975647 has 16 divisors (see below), whose sum is σ = 8550912. Its totient is φ = 5559840.

The previous prime is 6975643. The next prime is 6975653. The reversal of 6975647 is 7465796.

It is a cyclic number.

It is not a de Polignac number, because 6975647 - 2² = 6975643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6975598 and 6975607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6975643) 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 15 ways as a sum of consecutive naturals, for example, 5372 + ... + 6542.

It is an arithmetic number, because the mean of its divisors is an integer number (534432).

Almost surely, 2^6975647 is an apocalyptic number.

6975647 is a deficient number, since it is larger than the sum of its proper divisors (1575265).

6975647 is a wasteful number, since it uses less digits than its factorization.

6975647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its digits is 317520, while the sum is 44.

The square root of 6975647 is about 2641.1450168440. The cubic root of 6975647 is about 191.0710242699.

The spelling of 6975647 in words is "six million, nine hundred seventy-five thousand, six hundred forty-seven".