6666700 has 36 divisors (see below), whose sum is σ = 14591080. Its totient is φ = 2643840.

The previous prime is 6666689. The next prime is 6666719. The reversal of 6666700 is 76666.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16096 + ... + 16504.

Almost surely, 2^6666700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6666700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7295540).

6666700 is an abundant number, since it is smaller than the sum of its proper divisors (7924380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6666700 is a wasteful number, since it uses less digits than its factorization.

6666700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 6666700 is about 2581.9953524358. The cubic root of 6666700 is about 188.2075194544.

It can be divided in two parts, 66 and 66700, that added together give a palindrome (66766).

The spelling of 6666700 in words is "six million, six hundred sixty-six thousand, seven hundred".