724944789 has 16 divisors (see below), whose sum is σ = 1074993600. Its totient is φ = 482845968.

The previous prime is 724944769. The next prime is 724944793. The reversal of 724944789 is 987449427.

It is a happy number.

724944789 is a `hidden beast` number, since 72 + 494 + 4 + 7 + 89 = 666.

It is not a de Polignac number, because 724944789 - 2⁸ = 724944533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724944769) by changing a digit.

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, 18367 + ... + 42275.

It is an arithmetic number, because the mean of its divisors is an integer number (67187100).

Almost surely, 2^724944789 is an apocalyptic number.

It is an amenable number.

724944789 is a deficient number, since it is larger than the sum of its proper divisors (350048811).

724944789 is a wasteful number, since it uses less digits than its factorization.

724944789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25041 (or 25035 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 724944789 is about 26924.7987736213. The cubic root of 724944789 is about 898.3280849232.

The spelling of 724944789 in words is "seven hundred twenty-four million, nine hundred forty-four thousand, seven hundred eighty-nine".