6690267 has 6 divisors (see below), whose sum is σ = 9663732. Its totient is φ = 4460172.

The previous prime is 6690251. The next prime is 6690269. The reversal of 6690267 is 7620966.

It is not a de Polignac number, because 6690267 - 2⁴ = 6690251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6690269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371673 + ... + 371690.

It is an arithmetic number, because the mean of its divisors is an integer number (1610622).

Almost surely, 2^6690267 is an apocalyptic number.

6690267 is a deficient number, since it is larger than the sum of its proper divisors (2973465).

6690267 is a wasteful number, since it uses less digits than its factorization.

6690267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743369 (or 743366 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 6690267 is about 2586.5550448425. Note that the first 3 decimals coincide. The cubic root of 6690267 is about 188.4290318629.

The spelling of 6690267 in words is "six million, six hundred ninety thousand, two hundred sixty-seven".