6669695 has 8 divisors (see below), whose sum is σ = 8474544. Its totient is φ = 5021824.

The previous prime is 6669683. The next prime is 6669697. The reversal of 6669695 is 5969666.

It is a happy number.

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 6669695 - 2¹⁸ = 6407551 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 (6669697) 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, 39149 + ... + 39318.

It is an arithmetic number, because the mean of its divisors is an integer number (1059318).

Almost surely, 2^6669695 is an apocalyptic number.

6669695 is a deficient number, since it is larger than the sum of its proper divisors (1804849).

6669695 is a wasteful number, since it uses less digits than its factorization.

6669695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78489.

The product of its digits is 524880, while the sum is 47.

The square root of 6669695 is about 2582.5752651181. The cubic root of 6669695 is about 188.2356991700.

The spelling of 6669695 in words is "six million, six hundred sixty-nine thousand, six hundred ninety-five".