6723131 has 8 divisors (see below), whose sum is σ = 7145280. Its totient is φ = 6307848.

The previous prime is 6723127. The next prime is 6723163. The reversal of 6723131 is 1313276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6723131 - 2² = 6723127 is a prime.

It is a super-2 number, since 2×6723131² = 90400980886322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6723097 and 6723106.

It is not an unprimeable number, because it can be changed into a prime (6723121) 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 7 ways as a sum of consecutive naturals, for example, 380 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (893160).

Almost surely, 2^6723131 is an apocalyptic number.

6723131 is a deficient number, since it is larger than the sum of its proper divisors (422149).

6723131 is a wasteful number, since it uses less digits than its factorization.

6723131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its digits is 756, while the sum is 23.

The square root of 6723131 is about 2592.9001137722. The cubic root of 6723131 is about 188.7370623999.

The spelling of 6723131 in words is "six million, seven hundred twenty-three thousand, one hundred thirty-one".