729373 has 2 divisors, whose sum is σ = 729374. Its totient is φ = 729372.

The previous prime is 729371. The next prime is 729389. The reversal of 729373 is 373927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727609 + 1764 = 853^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 729373 - 2¹ = 729371 is a prime.

Together with 729371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364686 + 364687.

It is an arithmetic number, because the mean of its divisors is an integer number (364687).

2⁷²⁹³⁷³ is an apocalyptic number.

729373 is the 457-th centered heptagonal number.

It is an amenable number.

729373 is a deficient number, since it is larger than the sum of its proper divisors (1).

729373 is an equidigital number, since it uses as much as digits as its factorization.

729373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 31.

The square root of 729373 is about 854.0333717133. The cubic root of 729373 is about 90.0153471770.

The spelling of 729373 in words is "seven hundred twenty-nine thousand, three hundred seventy-three".