724452 has 24 divisors (see below), whose sum is σ = 1715616. Its totient is φ = 237888.

The previous prime is 724447. The next prime is 724453. The reversal of 724452 is 254427.

724452 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 (724453) by changing a digit.

724452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463 + ... + 1289.

It is an arithmetic number, because the mean of its divisors is an integer number (71484).

2⁷²⁴⁴⁵² is an apocalyptic number.

It is an amenable number.

724452 is an abundant number, since it is smaller than the sum of its proper divisors (991164).

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

724452 is a wasteful number, since it uses less digits than its factorization.

724452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 905 counting only the distinct ones).

The product of its digits is 2240, while the sum is 24.

The square root of 724452 is about 851.1474607846. The cubic root of 724452 is about 89.8124489399.

Adding to 724452 its reverse (254427), we get a palindrome (978879).

It can be divided in two parts, 724 and 452, that added together give a triangular number (1176 = T₄₈).

The spelling of 724452 in words is "seven hundred twenty-four thousand, four hundred fifty-two".