6146729 has 2 divisors, whose sum is σ = 6146730. Its totient is φ = 6146728.

The previous prime is 6146713. The next prime is 6146743. The reversal of 6146729 is 9276416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 1106704 = 2245^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 6146729 - 2⁴ = 6146713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6146629) by changing a digit.

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, 3073364 + 3073365.

It is an arithmetic number, because the mean of its divisors is an integer number (3073365).

Almost surely, 2^6146729 is an apocalyptic number.

It is an amenable number.

6146729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6146729 is an equidigital number, since it uses as much as digits as its factorization.

6146729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 6146729 is about 2479.2597685600. The cubic root of 6146729 is about 183.1813922006.

The spelling of 6146729 in words is "six million, one hundred forty-six thousand, seven hundred twenty-nine".