4066372 has 12 divisors (see below), whose sum is σ = 7250796. Its totient is φ = 1994720.

The previous prime is 4066369. The next prime is 4066379. The reversal of 4066372 is 2736604.

It can be written as a sum of positive squares in 2 ways, for example, as 3013696 + 1052676 = 1736^2 + 1026^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4066372.

It is not an unprimeable number, because it can be changed into a prime (4066379) 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, 9379 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (604233).

Almost surely, 2^4066372 is an apocalyptic number.

It is an amenable number.

4066372 is a deficient number, since it is larger than the sum of its proper divisors (3184424).

4066372 is a wasteful number, since it uses less digits than its factorization.

4066372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19238 (or 19236 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 4066372 is about 2016.5247332974. The cubic root of 4066372 is about 159.6132848241.

The spelling of 4066372 in words is "four million, sixty-six thousand, three hundred seventy-two".