7243993224 has 96 divisors (see below), whose sum is σ = 21235032000. Its totient is φ = 2217663360.

The previous prime is 7243993223. The next prime is 7243993247. The reversal of 7243993224 is 4223993427.

It is a self number, because there is not a number n which added to its sum of digits gives 7243993224.

It is not an unprimeable number, because it can be changed into a prime (7243993223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166819 + ... + 205709.

It is an arithmetic number, because the mean of its divisors is an integer number (221198250).

Almost surely, 2^7243993224 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 7243993224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10617516000).

7243993224 is an abundant number, since it is smaller than the sum of its proper divisors (13991038776).

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

7243993224 is a wasteful number, since it uses less digits than its factorization.

7243993224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39115 (or 39108 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 7243993224 is about 85111.6515172864. The cubic root of 7243993224 is about 1934.9036556401.

The spelling of 7243993224 in words is "seven billion, two hundred forty-three million, nine hundred ninety-three thousand, two hundred twenty-four".