6975823 has 4 divisors (see below), whose sum is σ = 6983280. Its totient is φ = 6968368.

The previous prime is 6975803. The next prime is 6975827. The reversal of 6975823 is 3285796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6975823 - 2⁵ = 6975791 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6975827) 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, 2083 + ... + 4276.

It is an arithmetic number, because the mean of its divisors is an integer number (1745820).

Almost surely, 2^6975823 is an apocalyptic number.

6975823 is a deficient number, since it is larger than the sum of its proper divisors (7457).

6975823 is a wasteful number, since it uses less digits than its factorization.

6975823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456.

The product of its digits is 90720, while the sum is 40.

The square root of 6975823 is about 2641.1783355162. The cubic root of 6975823 is about 191.0726312041.

The spelling of 6975823 in words is "six million, nine hundred seventy-five thousand, eight hundred twenty-three".