6729447 has 8 divisors (see below), whose sum is σ = 8989056. Its totient is φ = 4478072.

The previous prime is 6729427. The next prime is 6729461. The reversal of 6729447 is 7449276.

6729447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6729447 - 2⁶ = 6729383 is a prime.

It is a d-powerful number, because it can be written as 6 + 7⁷ + 2⁷ + 9⁵ + 4⁷ + 4⁸ + 7⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729427) 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, 208 + ... + 3674.

It is an arithmetic number, because the mean of its divisors is an integer number (1123632).

Almost surely, 2^6729447 is an apocalyptic number.

6729447 is a deficient number, since it is larger than the sum of its proper divisors (2259609).

6729447 is a wasteful number, since it uses less digits than its factorization.

6729447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117.

The product of its digits is 84672, while the sum is 39.

The square root of 6729447 is about 2594.1177691076. The cubic root of 6729447 is about 188.7961464878.

The spelling of 6729447 in words is "six million, seven hundred twenty-nine thousand, four hundred forty-seven".