6746009 has 4 divisors (see below), whose sum is σ = 6978660. Its totient is φ = 6513360.

The previous prime is 6745997. The next prime is 6746039. The reversal of 6746009 is 9006476.

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 3433609 + 3312400 = 1853^2 + 1820^2 .

It is a cyclic number.

It is not a de Polignac number, because 6746009 - 2¹² = 6741913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (6746039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116282 + ... + 116339.

It is an arithmetic number, because the mean of its divisors is an integer number (1744665).

Almost surely, 2^6746009 is an apocalyptic number.

It is an amenable number.

6746009 is a deficient number, since it is larger than the sum of its proper divisors (232651).

6746009 is a wasteful number, since it uses less digits than its factorization.

6746009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232650.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6746009 is about 2597.3080294798. The cubic root of 6746009 is about 188.9509031416.

The spelling of 6746009 in words is "six million, seven hundred forty-six thousand, nine".