729340799 has 8 divisors (see below), whose sum is σ = 795949392. Its totient is φ = 662783040.

The previous prime is 729340793. The next prime is 729340811. The reversal of 729340799 is 997043927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 729340799 - 2¹⁶ = 729275263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729340793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21257 + ... + 43709.

It is an arithmetic number, because the mean of its divisors is an integer number (99493674).

Almost surely, 2^729340799 is an apocalyptic number.

729340799 is a deficient number, since it is larger than the sum of its proper divisors (66608593).

729340799 is a wasteful number, since it uses less digits than its factorization.

729340799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25417.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 729340799 is about 27006.3103551744. The cubic root of 729340799 is about 900.1402246532.

The spelling of 729340799 in words is "seven hundred twenty-nine million, three hundred forty thousand, seven hundred ninety-nine".