6730239 has 8 divisors (see below), whose sum is σ = 8995120. Its totient is φ = 4476096.

The previous prime is 6730211. The next prime is 6730253. The reversal of 6730239 is 9320376.

It is a happy number.

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

It is not a de Polignac number, because 6730239 - 2⁹ = 6729727 is a prime.

It is a super-2 number, since 2×6730239² = 90592233994242, 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 (6730279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (1124390).

Almost surely, 2^6730239 is an apocalyptic number.

6730239 is a deficient number, since it is larger than the sum of its proper divisors (2264881).

6730239 is a wasteful number, since it uses less digits than its factorization.

6730239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 6730239 is about 2594.2704176704. The cubic root of 6730239 is about 188.8035527766.

The spelling of 6730239 in words is "six million, seven hundred thirty thousand, two hundred thirty-nine".