729789441 has 8 divisors (see below), whose sum is σ = 973177440. Its totient is φ = 486463872.

The previous prime is 729789419. The next prime is 729789461. The reversal of 729789441 is 144987927.

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

It is not a de Polignac number, because 729789441 - 2⁹ = 729788929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729789461) 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, 37150 + ... + 53288.

It is an arithmetic number, because the mean of its divisors is an integer number (121647180).

Almost surely, 2^729789441 is an apocalyptic number.

It is an amenable number.

729789441 is a deficient number, since it is larger than the sum of its proper divisors (243387999).

729789441 is a wasteful number, since it uses less digits than its factorization.

729789441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31215.

The product of its digits is 1016064, while the sum is 51.

The square root of 729789441 is about 27014.6153220807. The cubic root of 729789441 is about 900.3247556407.

The spelling of 729789441 in words is "seven hundred twenty-nine million, seven hundred eighty-nine thousand, four hundred forty-one".