724241424 has 80 divisors (see below), whose sum is σ = 1919877120. Its totient is φ = 235152000.

The previous prime is 724241351. The next prime is 724241459. The reversal of 724241424 is 424142427.

It is a junction number, because it is equal to n+sod(n) for n = 724241391 and 724241400.

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 15 ways as a sum of consecutive naturals, for example, 565617 + ... + 566895.

It is an arithmetic number, because the mean of its divisors is an integer number (23998464).

Almost surely, 2^724241424 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 724241424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959938560).

724241424 is an abundant number, since it is smaller than the sum of its proper divisors (1195635696).

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

724241424 is a wasteful number, since it uses less digits than its factorization.

724241424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its digits is 14336, while the sum is 30.

The square root of 724241424 is about 26911.7339463662. The cubic root of 724241424 is about 898.0374618757.

The spelling of 724241424 in words is "seven hundred twenty-four million, two hundred forty-one thousand, four hundred twenty-four".