2073666 has 32 divisors (see below), whose sum is σ = 4798080. Its totient is φ = 585216.

The previous prime is 2073661. The next prime is 2073667. The reversal of 2073666 is 6663702.

2073666 is a nontrivial binomial coefficient, being equal to C(2037, 2).

It is not an unprimeable number, because it can be changed into a prime (2073661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3820 + ... + 4328.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^2073666 is an apocalyptic number.

2073666 is the 2036-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2073666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399040).

2073666 is an abundant number, since it is smaller than the sum of its proper divisors (2724414).

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

2073666 is a wasteful number, since it uses less digits than its factorization.

2073666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 2073666 is about 1440.0229164843. The cubic root of 2073666 is about 127.5203812093.

It can be divided in two parts, 20736 and 66, that added together give a palindrome (20802).

The spelling of 2073666 in words is "two million, seventy-three thousand, six hundred sixty-six".