724444642 has 16 divisors (see below), whose sum is σ = 1124070912. Its totient is φ = 349803360.

The previous prime is 724444577. The next prime is 724444649. The reversal of 724444642 is 246444427.

724444642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (724444649) 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, 18198 + ... + 42190.

It is an arithmetic number, because the mean of its divisors is an integer number (70254432).

Almost surely, 2^724444642 is an apocalyptic number.

724444642 is a deficient number, since it is larger than the sum of its proper divisors (399626270).

724444642 is a wasteful number, since it uses less digits than its factorization.

724444642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24513.

The product of its digits is 172032, while the sum is 37.

The square root of 724444642 is about 26915.5093208358. The cubic root of 724444642 is about 898.1214487454.

The spelling of 724444642 in words is "seven hundred twenty-four million, four hundred forty-four thousand, six hundred forty-two".