724201 has 9 divisors (see below), whose sum is σ = 778071. Its totient is φ = 673992.

The previous prime is 724187. The next prime is 724211. The reversal of 724201 is 102427.

The square root of 724201 is 851.

It is a perfect power (a square), and thus also a powerful number.

724201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 648025 + 76176 = 805^2 + 276^2 .

It is not a de Polignac number, because 724201 - 2¹¹ = 722153 is a prime.

It is a Duffinian number.

724201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (724211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19555 + ... + 19591.

724201 is a Friedman number, since it can be written as 1702^2/4, using all its digits and the basic arithmetic operations.

2⁷²⁴²⁰¹ is an apocalyptic number.

724201 is the 851-st square number.

724201 is the 426-th centered octagonal number.

It is an amenable number.

724201 is a deficient number, since it is larger than the sum of its proper divisors (53870).

724201 is an equidigital number, since it uses as much as digits as its factorization.

724201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The cubic root of 724201 is about 89.8020753386.

Multiplying 724201 by its sum of digits (16), we get a square (11587216 = 3404²).

Adding to 724201 its reverse (102427), we get a palindrome (826628).

The spelling of 724201 in words is "seven hundred twenty-four thousand, two hundred one", and thus it is an iban number.