6744565 has 4 divisors (see below), whose sum is σ = 8093484. Its totient is φ = 5395648.

The previous prime is 6744557. The next prime is 6744571. The reversal of 6744565 is 5654476.

It is a happy number.

6744565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 4986289 = 1326^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 6744565 - 2³ = 6744557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674452 + ... + 674461.

It is an arithmetic number, because the mean of its divisors is an integer number (2023371).

Almost surely, 2^6744565 is an apocalyptic number.

It is an amenable number.

6744565 is a deficient number, since it is larger than the sum of its proper divisors (1348919).

6744565 is a wasteful number, since it uses less digits than its factorization.

6744565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348918.

The product of its digits is 100800, while the sum is 37.

The square root of 6744565 is about 2597.0300344817. The cubic root of 6744565 is about 188.9374203760.

The spelling of 6744565 in words is "six million, seven hundred forty-four thousand, five hundred sixty-five".