6723361 has 4 divisors (see below), whose sum is σ = 6792772. Its totient is φ = 6653952.

The previous prime is 6723349. The next prime is 6723371. The reversal of 6723361 is 1633276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5377761 + 1345600 = 2319^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 6723361 - 2⁵ = 6723329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6723371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34560 + ... + 34753.

It is an arithmetic number, because the mean of its divisors is an integer number (1698193).

Almost surely, 2^6723361 is an apocalyptic number.

It is an amenable number.

6723361 is a deficient number, since it is larger than the sum of its proper divisors (69411).

6723361 is an equidigital number, since it uses as much as digits as its factorization.

6723361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69410.

The product of its digits is 4536, while the sum is 28.

The square root of 6723361 is about 2592.9444652750. The cubic root of 6723361 is about 188.7392146228.

The spelling of 6723361 in words is "six million, seven hundred twenty-three thousand, three hundred sixty-one".