6669263 has 4 divisors (see below), whose sum is σ = 6687240. Its totient is φ = 6651288.

The previous prime is 6669251. The next prime is 6669269. The reversal of 6669263 is 3629666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6669263 - 2⁶ = 6669199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669269) 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, 8420 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (1671810).

Almost surely, 2^6669263 is an apocalyptic number.

6669263 is a deficient number, since it is larger than the sum of its proper divisors (17977).

6669263 is a wasteful number, since it uses less digits than its factorization.

6669263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17976.

The product of its digits is 69984, while the sum is 38.

The square root of 6669263 is about 2582.4916263175. The cubic root of 6669263 is about 188.2316350373.

The spelling of 6669263 in words is "six million, six hundred sixty-nine thousand, two hundred sixty-three".