6975723 has 4 divisors (see below), whose sum is σ = 9300968. Its totient is φ = 4650480.

The previous prime is 6975719. The next prime is 6975743. The reversal of 6975723 is 3275796.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6975723 - 2² = 6975719 is a prime.

It is a super-2 number, since 2×6975723² = 97321422745458, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6² + 9⁶ + 7⁵ + 5³ + 7⁸ + 2¹⁷ + 3¹² .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6975743) 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, 1162618 + ... + 1162623.

It is an arithmetic number, because the mean of its divisors is an integer number (2325242).

Almost surely, 2^6975723 is an apocalyptic number.

6975723 is a deficient number, since it is larger than the sum of its proper divisors (2325245).

6975723 is a wasteful number, since it uses less digits than its factorization.

6975723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325244.

The product of its digits is 79380, while the sum is 39.

The square root of 6975723 is about 2641.1594045040. The cubic root of 6975723 is about 191.0717181767.

The spelling of 6975723 in words is "six million, nine hundred seventy-five thousand, seven hundred twenty-three".