1066706 has 4 divisors (see below), whose sum is σ = 1600062. Its totient is φ = 533352.

The previous prime is 1066693. The next prime is 1066721. The reversal of 1066706 is 6076601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6076601 = 79 ⋅76919.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 36481 = 1015^2 + 191^2 .

It is a super-2 number, since 2×1066706² = 2275723380872, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266675 + ... + 266678.

2^1066706 is an apocalyptic number.

1066706 is a deficient number, since it is larger than the sum of its proper divisors (533356).

1066706 is an equidigital number, since it uses as much as digits as its factorization.

1066706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533355.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1066706 is about 1032.8146009812. The cubic root of 1066706 is about 102.1758468664.

The spelling of 1066706 in words is "one million, sixty-six thousand, seven hundred six".