724567 has 2 divisors, whose sum is σ = 724568. Its totient is φ = 724566.

The previous prime is 724553. The next prime is 724573. The reversal of 724567 is 765427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724567 - 2¹⁵ = 691799 is a prime.

724567 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724517) 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, 362283 + 362284.

It is an arithmetic number, because the mean of its divisors is an integer number (362284).

2⁷²⁴⁵⁶⁷ is an apocalyptic number.

724567 is a deficient number, since it is larger than the sum of its proper divisors (1).

724567 is an equidigital number, since it uses as much as digits as its factorization.

724567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 724567 is about 851.2150139653. The cubic root of 724567 is about 89.8172009847.

The spelling of 724567 in words is "seven hundred twenty-four thousand, five hundred sixty-seven".