729913 has 2 divisors, whose sum is σ = 729914. Its totient is φ = 729912.

The previous prime is 729907. The next prime is 729919. The reversal of 729913 is 319927.

729913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (729907) and next prime (729919).

It can be written as a sum of positive squares in only one way, i.e., 727609 + 2304 = 853^2 + 48^2 .

It is an emirp because it is prime and its reverse (319927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 729913 - 2¹⁷ = 598841 is a prime.

It is not a weakly prime, because it can be changed into another prime (729919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364956 + 364957.

It is an arithmetic number, because the mean of its divisors is an integer number (364957).

2⁷²⁹⁹¹³ is an apocalyptic number.

It is an amenable number.

729913 is a deficient number, since it is larger than the sum of its proper divisors (1).

729913 is an equidigital number, since it uses as much as digits as its factorization.

729913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 31.

The square root of 729913 is about 854.3494601157. The cubic root of 729913 is about 90.0375563423.

The spelling of 729913 in words is "seven hundred twenty-nine thousand, nine hundred thirteen".