729722304 has 112 divisors (see below), whose sum is σ = 2158532640. Its totient is φ = 241735680.

The previous prime is 729722267. The next prime is 729722333. The reversal of 729722304 is 403227927.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297724 + ... + 300164.

Almost surely, 2^729722304 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 729722304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079266320).

729722304 is an abundant number, since it is smaller than the sum of its proper divisors (1428810336).

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

729722304 is a wasteful number, since it uses less digits than its factorization.

729722304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 729722304 is about 27013.3726883557. The cubic root of 729722304 is about 900.2971463270.

The spelling of 729722304 in words is "seven hundred twenty-nine million, seven hundred twenty-two thousand, three hundred four".