6723256 has 16 divisors (see below), whose sum is σ = 12875040. Its totient is φ = 3289920.

The previous prime is 6723251. The next prime is 6723257. The reversal of 6723256 is 6523276.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8565 + ... + 9316.

It is an arithmetic number, because the mean of its divisors is an integer number (804690).

Almost surely, 2^6723256 is an apocalyptic number.

It is an amenable number.

6723256 is a deficient number, since it is larger than the sum of its proper divisors (6151784).

6723256 is a wasteful number, since it uses less digits than its factorization.

6723256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17934 (or 17930 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 6723256 is about 2592.9242179439. The cubic root of 6723256 is about 188.7382320924.

Adding to 6723256 its product of digits (15120), we get a palindrome (6738376).

The spelling of 6723256 in words is "six million, seven hundred twenty-three thousand, two hundred fifty-six".