6666242 has 8 divisors (see below), whose sum is σ = 10908432. Its totient is φ = 3030100.

The previous prime is 6666241. The next prime is 6666269. The reversal of 6666242 is 2426666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6666199 and 6666208.

It is not an unprimeable number, because it can be changed into a prime (6666241) 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, 151484 + ... + 151527.

It is an arithmetic number, because the mean of its divisors is an integer number (1363554).

Almost surely, 2^6666242 is an apocalyptic number.

6666242 is a deficient number, since it is larger than the sum of its proper divisors (4242190).

6666242 is a wasteful number, since it uses less digits than its factorization.

6666242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303024.

The product of its digits is 20736, while the sum is 32.

The square root of 6666242 is about 2581.9066598156. The cubic root of 6666242 is about 188.2032094250.

The spelling of 6666242 in words is "six million, six hundred sixty-six thousand, two hundred forty-two".