4066680 has 32 divisors (see below), whose sum is σ = 12200400. Its totient is φ = 1084416.

The previous prime is 4066679. The next prime is 4066691. The reversal of 4066680 is 866604.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16825 + ... + 17064.

Almost surely, 2^4066680 is an apocalyptic number.

4066680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4066680 is an abundant number, since it is smaller than the sum of its proper divisors (8133720).

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

4066680 is a wasteful number, since it uses less digits than its factorization.

4066680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33903 (or 33899 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4066680 is about 2016.6011008625. The cubic root of 4066680 is about 159.6173145957.

The spelling of 4066680 in words is "four million, sixty-six thousand, six hundred eighty".