1729913344 has 40 divisors (see below), whose sum is σ = 3468952080. Its totient is φ = 861828096.

The previous prime is 1729913279. The next prime is 1729913351. The reversal of 1729913344 is 4433199271.

It is a self number, because there is not a number n which added to its sum of digits gives 1729913344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138927 + ... + 150865.

It is an arithmetic number, because the mean of its divisors is an integer number (86723802).

Almost surely, 2^1729913344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1729913344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734476040).

1729913344 is an abundant number, since it is smaller than the sum of its proper divisors (1739038736).

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

1729913344 is an equidigital number, since it uses as much as digits as its factorization.

1729913344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12240 (or 12224 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 1729913344 is about 41592.2269661051. The cubic root of 1729913344 is about 1200.4427403344.

The spelling of 1729913344 in words is "one billion, seven hundred twenty-nine million, nine hundred thirteen thousand, three hundred forty-four".