6706609 has 8 divisors (see below), whose sum is σ = 8254400. Its totient is φ = 5306256.

The previous prime is 6706597. The next prime is 6706613. The reversal of 6706609 is 9066076.

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

It is a cyclic number.

It is not a de Polignac number, because 6706609 - 2⁷ = 6706481 is a prime.

6706609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6706669) 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, 36759 + ... + 36940.

It is an arithmetic number, because the mean of its divisors is an integer number (1031800).

Almost surely, 2^6706609 is an apocalyptic number.

It is an amenable number.

6706609 is a deficient number, since it is larger than the sum of its proper divisors (1547791).

6706609 is a wasteful number, since it uses less digits than its factorization.

6706609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73719.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 6706609 is about 2589.7121461661. The cubic root of 6706609 is about 188.5823293526.

The spelling of 6706609 in words is "six million, seven hundred six thousand, six hundred nine".