6666930 has 24 divisors (see below), whose sum is σ = 17334252. Its totient is φ = 1777824.

The previous prime is 6666883. The next prime is 6666931. The reversal of 6666930 is 396666.

It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 301401 = 2523^2 + 549^2 .

It is not an unprimeable number, because it can be changed into a prime (6666931) by changing a digit.

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, 36949 + ... + 37128.

Almost surely, 2^6666930 is an apocalyptic number.

6666930 is an abundant number, since it is smaller than the sum of its proper divisors (10667322).

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

6666930 is a wasteful number, since it uses less digits than its factorization.

6666930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74090 (or 74087 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 6666930 is about 2582.0398912488. The cubic root of 6666930 is about 188.2096838051.

The spelling of 6666930 in words is "six million, six hundred sixty-six thousand, nine hundred thirty".