6729239 has 8 divisors (see below), whose sum is σ = 7366032. Its totient is φ = 6096640.

The previous prime is 6729223. The next prime is 6729241. The reversal of 6729239 is 9329276.

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

It is not a de Polignac number, because 6729239 - 2⁴ = 6729223 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 (6729209) 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, 3017 + ... + 4749.

It is an arithmetic number, because the mean of its divisors is an integer number (920754).

Almost surely, 2^6729239 is an apocalyptic number.

6729239 is a deficient number, since it is larger than the sum of its proper divisors (636793).

6729239 is a wasteful number, since it uses less digits than its factorization.

6729239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097.

The product of its digits is 40824, while the sum is 38.

The square root of 6729239 is about 2594.0776780968. The cubic root of 6729239 is about 188.7942013056.

The spelling of 6729239 in words is "six million, seven hundred twenty-nine thousand, two hundred thirty-nine".