6975643 has 2 divisors, whose sum is σ = 6975644. Its totient is φ = 6975642.

The previous prime is 6975623. The next prime is 6975653. The reversal of 6975643 is 3465796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6975643 - 2⁵ = 6975611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6975596 and 6975605.

It is not a weakly prime, because it can be changed into another prime (6975613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3487821 + 3487822.

It is an arithmetic number, because the mean of its divisors is an integer number (3487822).

Almost surely, 2^6975643 is an apocalyptic number.

6975643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6975643 is an equidigital number, since it uses as much as digits as its factorization.

6975643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 6975643 is about 2641.1442595966. The cubic root of 6975643 is about 191.0709877484.

The spelling of 6975643 in words is "six million, nine hundred seventy-five thousand, six hundred forty-three".