6787449 has 8 divisors (see below), whose sum is σ = 10055520. Its totient is φ = 4524948.

The previous prime is 6787441. The next prime is 6787453. The reversal of 6787449 is 9447876.

6787449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6787449 - 2³ = 6787441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6787441) 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, 125667 + ... + 125720.

It is an arithmetic number, because the mean of its divisors is an integer number (1256940).

Almost surely, 2^6787449 is an apocalyptic number.

It is an amenable number.

6787449 is a deficient number, since it is larger than the sum of its proper divisors (3268071).

6787449 is a wasteful number, since it uses less digits than its factorization.

6787449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251396 (or 251390 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6787449 is about 2605.2733062003. The cubic root of 6787449 is about 189.3370152224.

The spelling of 6787449 in words is "six million, seven hundred eighty-seven thousand, four hundred forty-nine".