6669993 has 8 divisors (see below), whose sum is σ = 9701856. Its totient is φ = 4042400.

The previous prime is 6669983. The next prime is 6670019. The reversal of 6669993 is 3999666.

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 6669993 - 2⁵ = 6669961 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669973) 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, 101028 + ... + 101093.

It is an arithmetic number, because the mean of its divisors is an integer number (1212732).

Almost surely, 2^6669993 is an apocalyptic number.

It is an amenable number.

6669993 is a deficient number, since it is larger than the sum of its proper divisors (3031863).

6669993 is a wasteful number, since it uses less digits than its factorization.

6669993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202135.

The product of its digits is 472392, while the sum is 48.

The square root of 6669993 is about 2582.6329588232. The cubic root of 6669993 is about 188.2385025667.

The spelling of 6669993 in words is "six million, six hundred sixty-nine thousand, nine hundred ninety-three".