6669075 has 24 divisors (see below), whose sum is σ = 12602368. Its totient is φ = 3048480.

The previous prime is 6669071. The next prime is 6669097. The reversal of 6669075 is 5709666.

It is a happy number.

It is not a de Polignac number, because 6669075 - 2² = 6669071 is a prime.

It is a super-2 number, since 2×6669075² = 88953122711250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5827 + ... + 6876.

Almost surely, 2^6669075 is an apocalyptic number.

6669075 is a deficient number, since it is larger than the sum of its proper divisors (5933293).

6669075 is a wasteful number, since it uses less digits than its factorization.

6669075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12723 (or 12718 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 6669075 is about 2582.4552271046. The cubic root of 6669075 is about 188.2298663321.

The spelling of 6669075 in words is "six million, six hundred sixty-nine thousand, seventy-five".