1073666 has 16 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 474480.

The previous prime is 1073651. The next prime is 1073687. The reversal of 1073666 is 6663701.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (112860).

2^1073666 is an apocalyptic number.

1073666 is a deficient number, since it is larger than the sum of its proper divisors (732094).

1073666 is a wasteful number, since it uses less digits than its factorization.

1073666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1073666 is about 1036.1785560414. The cubic root of 1073666 is about 102.3975895632.

It can be divided in two parts, 107 and 3666, that added together give a palindrome (3773).

The spelling of 1073666 in words is "one million, seventy-three thousand, six hundred sixty-six".