1066726 has 4 divisors (see below), whose sum is σ = 1600092. Its totient is φ = 533362.

The previous prime is 1066721. The next prime is 1066729. The reversal of 1066726 is 6276601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6276601 = 31 ⋅202471.

It is a super-2 number, since 2×1066726² = 2275808718152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066694 and 1066703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266680 + ... + 266683.

It is an arithmetic number, because the mean of its divisors is an integer number (400023).

2^1066726 is an apocalyptic number.

1066726 is a deficient number, since it is larger than the sum of its proper divisors (533366).

1066726 is an equidigital number, since it uses as much as digits as its factorization.

1066726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533365.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1066726 is about 1032.8242832157. The cubic root of 1066726 is about 102.1764854379.

The spelling of 1066726 in words is "one million, sixty-six thousand, seven hundred twenty-six".