6746909 has 8 divisors (see below), whose sum is σ = 7693560. Its totient is φ = 5861376.

The previous prime is 6746903. The next prime is 6746947. The reversal of 6746909 is 9096476.

It can be written as a sum of positive squares in 4 ways, for example, as 2500 + 6744409 = 50^2 + 2597^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6746909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6746903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15044 + ... + 15485.

It is an arithmetic number, because the mean of its divisors is an integer number (961695).

Almost surely, 2^6746909 is an apocalyptic number.

It is an amenable number.

6746909 is a deficient number, since it is larger than the sum of its proper divisors (946651).

6746909 is a wasteful number, since it uses less digits than its factorization.

6746909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30559.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 6746909 is about 2597.4812800095. The cubic root of 6746909 is about 188.9593055541.

The spelling of 6746909 in words is "six million, seven hundred forty-six thousand, nine hundred nine".