6630009 has 8 divisors (see below), whose sum is σ = 9144960. Its totient is φ = 4267536.

The previous prime is 6629969. The next prime is 6630011. The reversal of 6630009 is 9000366.

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

It is not a de Polignac number, because 6630009 - 2¹⁷ = 6498937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6630089) 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, 38017 + ... + 38190.

It is an arithmetic number, because the mean of its divisors is an integer number (1143120).

Almost surely, 2^6630009 is an apocalyptic number.

It is an amenable number.

6630009 is a deficient number, since it is larger than the sum of its proper divisors (2514951).

6630009 is a wasteful number, since it uses less digits than its factorization.

6630009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76239.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 6630009 is about 2574.8803855713. The cubic root of 6630009 is about 187.8616097121.

The spelling of 6630009 in words is "six million, six hundred thirty thousand, nine".