724573 has 2 divisors, whose sum is σ = 724574. Its totient is φ = 724572.

The previous prime is 724567. The next prime is 724583. The reversal of 724573 is 375427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710649 + 13924 = 843^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 724573 - 2¹⁷ = 593501 is a prime.

It is equal to p₅₈₃₈₄ and since 724573 and 58384 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724513) 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 as a sum of consecutive naturals, namely, 362286 + 362287.

It is an arithmetic number, because the mean of its divisors is an integer number (362287).

2⁷²⁴⁵⁷³ is an apocalyptic number.

It is an amenable number.

724573 is a deficient number, since it is larger than the sum of its proper divisors (1).

724573 is an equidigital number, since it uses as much as digits as its factorization.

724573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 28.

The square root of 724573 is about 851.2185383320. The cubic root of 724573 is about 89.8174489037.

The spelling of 724573 in words is "seven hundred twenty-four thousand, five hundred seventy-three".