729232344 has 96 divisors (see below), whose sum is σ = 2052685440. Its totient is φ = 233625600.

The previous prime is 729232321. The next prime is 729232351. The reversal of 729232344 is 443232927.

It is a happy number.

729232344 is a `hidden beast` number, since 7 + 292 + 323 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 729232299 and 729232308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349384 + ... + 351464.

It is an arithmetic number, because the mean of its divisors is an integer number (21382140).

Almost surely, 2^729232344 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 729232344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026342720).

729232344 is an abundant number, since it is smaller than the sum of its proper divisors (1323453096).

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

729232344 is a wasteful number, since it uses less digits than its factorization.

729232344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2274 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 729232344 is about 27004.3023238891. The cubic root of 729232344 is about 900.0956046586.

The spelling of 729232344 in words is "seven hundred twenty-nine million, two hundred thirty-two thousand, three hundred forty-four".