3712666 has 4 divisors (see below), whose sum is σ = 5569002. Its totient is φ = 1856332.

The previous prime is 3712627. The next prime is 3712669. The reversal of 3712666 is 6662173.

3712666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 1525225 = 1479^2 + 1235^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3712669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 928165 + ... + 928168.

Almost surely, 2^3712666 is an apocalyptic number.

3712666 is a deficient number, since it is larger than the sum of its proper divisors (1856336).

3712666 is a wasteful number, since it uses less digits than its factorization.

3712666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856335.

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

The square root of 3712666 is about 1926.8279632598. The cubic root of 3712666 is about 154.8443251426.

The spelling of 3712666 in words is "three million, seven hundred twelve thousand, six hundred sixty-six".