6729449 has 8 divisors (see below), whose sum is σ = 7135488. Its totient is φ = 6335280.

The previous prime is 6729427. The next prime is 6729461. The reversal of 6729449 is 9449276.

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 6729449 - 2⁸ = 6729193 is a prime.

It is a d-powerful number, because it can be written as 6³ + 7⁷ + 2¹¹ + 9⁴ + 4⁸ + 4¹⁰ + 9⁷ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6729419) 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, 1787 + ... + 4080.

It is an arithmetic number, because the mean of its divisors is an integer number (891936).

Almost surely, 2^6729449 is an apocalyptic number.

It is an amenable number.

6729449 is a deficient number, since it is larger than the sum of its proper divisors (406039).

6729449 is a wasteful number, since it uses less digits than its factorization.

6729449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935.

The product of its digits is 108864, while the sum is 41.

The square root of 6729449 is about 2594.1181545951. The cubic root of 6729449 is about 188.7961651913.

The spelling of 6729449 in words is "six million, seven hundred twenty-nine thousand, four hundred forty-nine".