729339393 has 8 divisors (see below), whose sum is σ = 975889888. Its totient is φ = 484507584.

The previous prime is 729339349. The next prime is 729339433. The reversal of 729339393 is 393933927.

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

It is not a de Polignac number, because 729339393 - 2⁶ = 729339329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729339313) 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, 428680 + ... + 430377.

It is an arithmetic number, because the mean of its divisors is an integer number (121986236).

Almost surely, 2^729339393 is an apocalyptic number.

It is an amenable number.

729339393 is a deficient number, since it is larger than the sum of its proper divisors (246550495).

729339393 is a wasteful number, since it uses less digits than its factorization.

729339393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859343.

The product of its digits is 826686, while the sum is 48.

The square root of 729339393 is about 27006.2843242087. The cubic root of 729339393 is about 900.1396462323.

The spelling of 729339393 in words is "seven hundred twenty-nine million, three hundred thirty-nine thousand, three hundred ninety-three".