6723319 has 4 divisors (see below), whose sum is σ = 6728544. Its totient is φ = 6718096.

The previous prime is 6723293. The next prime is 6723323. The reversal of 6723319 is 9133276.

6723319 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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 6723319 - 2¹⁹ = 6199031 is a prime.

It is a super-2 number, since 2×6723319² = 90406036751522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723329) 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, 834 + ... + 3760.

It is an arithmetic number, because the mean of its divisors is an integer number (1682136).

Almost surely, 2^6723319 is an apocalyptic number.

6723319 is a deficient number, since it is larger than the sum of its proper divisors (5225).

6723319 is a wasteful number, since it uses less digits than its factorization.

6723319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224.

The product of its digits is 6804, while the sum is 31.

The square root of 6723319 is about 2592.9363663615. The cubic root of 6723319 is about 188.7388216119.

The spelling of 6723319 in words is "six million, seven hundred twenty-three thousand, three hundred nineteen".