3566729 has 2 divisors, whose sum is σ = 3566730. Its totient is φ = 3566728.

The previous prime is 3566723. The next prime is 3566743. The reversal of 3566729 is 9276653.

3566729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3055504 + 511225 = 1748^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 3566729 - 2⁸ = 3566473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3566692 and 3566701.

It is not a weakly prime, because it can be changed into another prime (3566723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1783364 + 1783365.

It is an arithmetic number, because the mean of its divisors is an integer number (1783365).

Almost surely, 2^3566729 is an apocalyptic number.

It is an amenable number.

3566729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3566729 is an equidigital number, since it uses as much as digits as its factorization.

3566729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 3566729 is about 1888.5785660120. The cubic root of 3566729 is about 152.7882785020.

The spelling of 3566729 in words is "three million, five hundred sixty-six thousand, seven hundred twenty-nine".