729798423 has 8 divisors (see below), whose sum is σ = 1030303728. Its totient is φ = 457912704.

The previous prime is 729798403. The next prime is 729798431. The reversal of 729798423 is 324897927.

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

It is not a de Polignac number, because 729798423 - 2⁶ = 729798359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 14309773 = 729798423 / (7 + 2 + 9 + 7 + 9 + 8 + 4 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729798403) 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, 7154836 + ... + 7154937.

It is an arithmetic number, because the mean of its divisors is an integer number (128787966).

Almost surely, 2^729798423 is an apocalyptic number.

729798423 is a deficient number, since it is larger than the sum of its proper divisors (300505305).

729798423 is a wasteful number, since it uses less digits than its factorization.

729798423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14309793.

The product of its digits is 1524096, while the sum is 51.

The square root of 729798423 is about 27014.7815649137. The cubic root of 729798423 is about 900.3284492558.

The spelling of 729798423 in words is "seven hundred twenty-nine million, seven hundred ninety-eight thousand, four hundred twenty-three".