724433 has 2 divisors, whose sum is σ = 724434. Its totient is φ = 724432.

The previous prime is 724403. The next prime is 724441. The reversal of 724433 is 334427.

It is a happy number.

724433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719104 + 5329 = 848^2 + 73^2 .

It is an emirp because it is prime and its reverse (334427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 724433 - 2¹⁰ = 723409 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7² + 2¹⁹ + 4 + 4⁷ + 3⁸ + 3¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 724399 and 724408.

It is not a weakly prime, because it can be changed into another prime (724403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362216 + 362217.

It is an arithmetic number, because the mean of its divisors is an integer number (362217).

2⁷²⁴⁴³³ is an apocalyptic number.

It is an amenable number.

724433 is a deficient number, since it is larger than the sum of its proper divisors (1).

724433 is an equidigital number, since it uses as much as digits as its factorization.

724433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 23.

The square root of 724433 is about 851.1362993082. The cubic root of 724433 is about 89.8116637710.

The spelling of 724433 in words is "seven hundred twenty-four thousand, four hundred thirty-three".