6739447 has 8 divisors (see below), whose sum is σ = 7917840. Its totient is φ = 5655360.

The previous prime is 6739423. The next prime is 6739451. The reversal of 6739447 is 7449376.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6739447 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 (6739417) 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, 23422 + ... + 23707.

It is an arithmetic number, because the mean of its divisors is an integer number (989730).

Almost surely, 2^6739447 is an apocalyptic number.

6739447 is a deficient number, since it is larger than the sum of its proper divisors (1178393).

6739447 is a wasteful number, since it uses less digits than its factorization.

6739447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47153.

The product of its digits is 127008, while the sum is 40.

The square root of 6739447 is about 2596.0444911442. The cubic root of 6739447 is about 188.8896176186.

The spelling of 6739447 in words is "six million, seven hundred thirty-nine thousand, four hundred forty-seven".