724460 has 48 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 253440.

The previous prime is 724459. The next prime is 724469. The reversal of 724460 is 64427.

It is not an unprimeable number, because it can be changed into a prime (724469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8096 + ... + 8184.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2⁷²⁴⁴⁶⁰ 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 724460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861840).

724460 is an abundant number, since it is smaller than the sum of its proper divisors (999220).

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

724460 is a wasteful number, since it uses less digits than its factorization.

724460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 724460 is about 851.1521603098. The cubic root of 724460 is about 89.8127795332.

Adding to 724460 its reverse (64427), we get a palindrome (788887).

The spelling of 724460 in words is "seven hundred twenty-four thousand, four hundred sixty".