4066172 has 12 divisors (see below), whose sum is σ = 7762776. Its totient is φ = 1848240.

The previous prime is 4066151. The next prime is 4066187. The reversal of 4066172 is 2716604.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 46163 + ... + 46250.

It is an arithmetic number, because the mean of its divisors is an integer number (646898).

Almost surely, 2^4066172 is an apocalyptic number.

It is an amenable number.

4066172 is a deficient number, since it is larger than the sum of its proper divisors (3696604).

4066172 is a wasteful number, since it uses less digits than its factorization.

4066172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92428 (or 92426 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4066172 is about 2016.4751424206. The cubic root of 4066172 is about 159.6106679804.

The spelling of 4066172 in words is "four million, sixty-six thousand, one hundred seventy-two".