968729 has 2 divisors, whose sum is σ = 968730. Its totient is φ = 968728.

The previous prime is 968713. The next prime is 968731. The reversal of 968729 is 927869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565504 + 403225 = 752^2 + 635^2 .

It is an emirp because it is prime and its reverse (927869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 968729 - 2⁴ = 968713 is a prime.

It is a Sophie Germain prime.

Together with 968731, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (968329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484364 + 484365.

It is an arithmetic number, because the mean of its divisors is an integer number (484365).

2⁹⁶⁸⁷²⁹ is an apocalyptic number.

It is an amenable number.

968729 is a deficient number, since it is larger than the sum of its proper divisors (1).

968729 is an equidigital number, since it uses as much as digits as its factorization.

968729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 968729 is about 984.2403161830. The cubic root of 968729 is about 98.9465752629.

The spelling of 968729 in words is "nine hundred sixty-eight thousand, seven hundred twenty-nine".