2173066 has 8 divisors (see below), whose sum is σ = 3725280. Its totient is φ = 931308.

The previous prime is 2173051. The next prime is 2173079. The reversal of 2173066 is 6603712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2173066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77596 + ... + 77623.

It is an arithmetic number, because the mean of its divisors is an integer number (465660).

2^2173066 is an apocalyptic number.

2173066 is a deficient number, since it is larger than the sum of its proper divisors (1552214).

2173066 is a wasteful number, since it uses less digits than its factorization.

2173066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155228.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2173066 is about 1474.1322871439. The cubic root of 2173066 is about 129.5262043045.

Adding to 2173066 its reverse (6603712), we get a palindrome (8776778).

The spelling of 2173066 in words is "two million, one hundred seventy-three thousand, sixty-six".