724222744 has 96 divisors (see below), whose sum is σ = 1659000960. Its totient is φ = 295142400.

The previous prime is 724222739. The next prime is 724222757. The reversal of 724222744 is 447222427.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 740784 + ... + 741760.

It is an arithmetic number, because the mean of its divisors is an integer number (17281260).

Almost surely, 2^724222744 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 724222744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829500480).

724222744 is an abundant number, since it is smaller than the sum of its proper divisors (934778216).

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

724222744 is a wasteful number, since it uses less digits than its factorization.

724222744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1078 counting only the distinct ones).

The product of its digits is 50176, while the sum is 34.

The square root of 724222744 is about 26911.3868836223. The cubic root of 724222744 is about 898.0297409310.

The spelling of 724222744 in words is "seven hundred twenty-four million, two hundred twenty-two thousand, seven hundred forty-four".