6740449 has 8 divisors (see below), whose sum is σ = 7447680. Its totient is φ = 6067776.

The previous prime is 6740443. The next prime is 6740471. The reversal of 6740449 is 9440476.

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

It is not a de Polignac number, because 6740449 - 2¹⁵ = 6707681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6740443) 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, 8229 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (930960).

Almost surely, 2^6740449 is an apocalyptic number.

It is an amenable number.

6740449 is a deficient number, since it is larger than the sum of its proper divisors (707231).

6740449 is a wasteful number, since it uses less digits than its factorization.

6740449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17279.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 6740449 is about 2596.2374698783. The cubic root of 6740449 is about 188.8989783282.

The spelling of 6740449 in words is "six million, seven hundred forty thousand, four hundred forty-nine".