724041 has 6 divisors (see below), whose sum is σ = 1045850. Its totient is φ = 482688.

The previous prime is 724021. The next prime is 724079. The reversal of 724041 is 140427.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 594441 + 129600 = 771^2 + 360^2 .

It is not a de Polignac number, because 724041 - 2⁶ = 723977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40216 + ... + 40233.

2⁷²⁴⁰⁴¹ is an apocalyptic number.

It is an amenable number.

724041 is a deficient number, since it is larger than the sum of its proper divisors (321809).

724041 is a wasteful number, since it uses less digits than its factorization.

724041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80455 (or 80452 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 724041 is about 850.9059877566. The cubic root of 724041 is about 89.7954614333.

Adding to 724041 its reverse (140427), we get a palindrome (864468).

The spelling of 724041 in words is "seven hundred twenty-four thousand, forty-one", and thus it is an iban number.