6724109 has 4 divisors (see below), whose sum is σ = 7684704. Its totient is φ = 5763516.

The previous prime is 6724093. The next prime is 6724111. The reversal of 6724109 is 9014276.

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 a cyclic number.

It is not a de Polignac number, because 6724109 - 2⁴ = 6724093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6724139) 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, 480287 + ... + 480300.

It is an arithmetic number, because the mean of its divisors is an integer number (1921176).

Almost surely, 2^6724109 is an apocalyptic number.

It is an amenable number.

6724109 is a deficient number, since it is larger than the sum of its proper divisors (960595).

6724109 is an equidigital number, since it uses as much as digits as its factorization.

6724109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960594.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 6724109 is about 2593.0886988300. The cubic root of 6724109 is about 188.7462136866.

The spelling of 6724109 in words is "six million, seven hundred twenty-four thousand, one hundred nine".