729743244 has 48 divisors (see below), whose sum is σ = 1767553536. Its totient is φ = 234158400.

The previous prime is 729743243. The next prime is 729743251. The reversal of 729743244 is 442347927.

It is a junction number, because it is equal to n+sod(n) for n = 729743196 and 729743205.

It is not an unprimeable number, because it can be changed into a prime (729743243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23799 + ... + 45009.

It is an arithmetic number, because the mean of its divisors is an integer number (36824032).

Almost surely, 2^729743244 is an apocalyptic number.

It is an amenable number.

729743244 is an abundant number, since it is smaller than the sum of its proper divisors (1037810292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729743244 is a wasteful number, since it uses less digits than its factorization.

729743244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21326 (or 21324 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 729743244 is about 27013.7602713876. The cubic root of 729743244 is about 900.3057578412.

The spelling of 729743244 in words is "seven hundred twenty-nine million, seven hundred forty-three thousand, two hundred forty-four".