724025232 has 120 divisors (see below), whose sum is σ = 2372348160. Its totient is φ = 201807360.

The previous prime is 724025227. The next prime is 724025233. The reversal of 724025232 is 232520427.

It is a junction number, because it is equal to n+sod(n) for n = 724025196 and 724025205.

It is not an unprimeable number, because it can be changed into a prime (724025233) 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 23 ways as a sum of consecutive naturals, for example, 32569 + ... + 50087.

It is an arithmetic number, because the mean of its divisors is an integer number (19769568).

Almost surely, 2^724025232 is an apocalyptic number.

724025232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724025232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186174080).

724025232 is an abundant number, since it is smaller than the sum of its proper divisors (1648322928).

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

724025232 is a wasteful number, since it uses less digits than its factorization.

724025232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17581 (or 17572 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 724025232 is about 26907.7169600098. The cubic root of 724025232 is about 897.9480958024.

Adding to 724025232 its reverse (232520427), we get a palindrome (956545659).

The spelling of 724025232 in words is "seven hundred twenty-four million, twenty-five thousand, two hundred thirty-two".