8273666 has 4 divisors (see below), whose sum is σ = 12410502. Its totient is φ = 4136832.

The previous prime is 8273659. The next prime is 8273693. The reversal of 8273666 is 6663728.

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., 6355441 + 1918225 = 2521^2 + 1385^2 .

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 as a sum of consecutive naturals, namely, 2068415 + ... + 2068418.

Almost surely, 2^8273666 is an apocalyptic number.

8273666 is a deficient number, since it is larger than the sum of its proper divisors (4136836).

8273666 is a wasteful number, since it uses less digits than its factorization.

8273666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136835.

The product of its digits is 72576, while the sum is 38.

The square root of 8273666 is about 2876.3980948401. The cubic root of 8273666 is about 202.2550286688.

The spelling of 8273666 in words is "eight million, two hundred seventy-three thousand, six hundred sixty-six".