6723493 has 4 divisors (see below), whose sum is σ = 7684000. Its totient is φ = 5762988.

The previous prime is 6723461. The next prime is 6723499. The reversal of 6723493 is 3943276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6723493 - 2⁵ = 6723461 is a prime.

It is a Duffinian number.

6723493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723499) 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, 480243 + ... + 480256.

It is an arithmetic number, because the mean of its divisors is an integer number (1921000).

Almost surely, 2^6723493 is an apocalyptic number.

It is an amenable number.

6723493 is a deficient number, since it is larger than the sum of its proper divisors (960507).

6723493 is an equidigital number, since it uses as much as digits as its factorization.

6723493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960506.

The product of its digits is 27216, while the sum is 34.

The square root of 6723493 is about 2592.9699188382. The cubic root of 6723493 is about 188.7404497894.

The spelling of 6723493 in words is "six million, seven hundred twenty-three thousand, four hundred ninety-three".