724741 has 6 divisors (see below), whose sum is σ = 743442. Its totient is φ = 706320.

The previous prime is 724733. The next prime is 724747. The reversal of 724741 is 147427.

It can be written as a sum of positive squares in 3 ways, for example, as 60516 + 664225 = 246^2 + 815^2 .

It is not a de Polignac number, because 724741 - 2³ = 724733 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724747) 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, 6595 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (123907).

2⁷²⁴⁷⁴¹ is an apocalyptic number.

It is an amenable number.

724741 is a deficient number, since it is larger than the sum of its proper divisors (18701).

724741 is an equidigital number, since it uses as much as digits as its factorization.

724741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 170 counting only the distinct ones).

The product of its digits is 1568, while the sum is 25.

The square root of 724741 is about 851.3172146738. The cubic root of 724741 is about 89.8243900793.

The spelling of 724741 in words is "seven hundred twenty-four thousand, seven hundred forty-one", and thus it is an iban number.