5999729 has 2 divisors, whose sum is σ = 5999730. Its totient is φ = 5999728.

The previous prime is 5999717. The next prime is 5999731. The reversal of 5999729 is 9279995.

5999729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3591025 + 2408704 = 1895^2 + 1552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5999729 is a prime.

Together with 5999731, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5999779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999864 + 2999865.

It is an arithmetic number, because the mean of its divisors is an integer number (2999865).

Almost surely, 2^5999729 is an apocalyptic number.

It is an amenable number.

5999729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5999729 is an equidigital number, since it uses as much as digits as its factorization.

5999729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 459270, while the sum is 50.

The square root of 5999729 is about 2449.4344245152. The cubic root of 5999729 is about 181.7093234660.

The spelling of 5999729 in words is "five million, nine hundred ninety-nine thousand, seven hundred twenty-nine".