6740489 has 12 divisors (see below), whose sum is σ = 7901568. Its totient is φ = 5733000.

The previous prime is 6740479. The next prime is 6740491. The reversal of 6740489 is 9840476.

It is a happy number.

It is not a de Polignac number, because 6740489 - 2⁴ = 6740473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6740429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6944 + ... + 7854.

It is an arithmetic number, because the mean of its divisors is an integer number (658464).

Almost surely, 2^6740489 is an apocalyptic number.

It is an amenable number.

6740489 is a deficient number, since it is larger than the sum of its proper divisors (1161079).

6740489 is a wasteful number, since it uses less digits than its factorization.

6740489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6740489 is about 2596.2451733224. The cubic root of 6740489 is about 188.8993519899.

The spelling of 6740489 in words is "six million, seven hundred forty thousand, four hundred eighty-nine".