6744689 has 16 divisors (see below), whose sum is σ = 7970688. Its totient is φ = 5588352.

The previous prime is 6744667. The next prime is 6744757. The reversal of 6744689 is 9864476.

It is not a de Polignac number, because 6744689 - 2⁸ = 6744433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6744659) 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 15 ways as a sum of consecutive naturals, for example, 34139 + ... + 34335.

It is an arithmetic number, because the mean of its divisors is an integer number (498168).

Almost surely, 2^6744689 is an apocalyptic number.

It is an amenable number.

6744689 is a deficient number, since it is larger than the sum of its proper divisors (1225999).

6744689 is a wasteful number, since it uses less digits than its factorization.

6744689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 290304, while the sum is 44.

The square root of 6744689 is about 2597.0539077963. The cubic root of 6744689 is about 188.9385782514.

The spelling of 6744689 in words is "six million, seven hundred forty-four thousand, six hundred eighty-nine".