724487 has 2 divisors, whose sum is σ = 724488. Its totient is φ = 724486.

The previous prime is 724481. The next prime is 724499. The reversal of 724487 is 784427.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724487 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 724487.

It is not a weakly prime, because it can be changed into another prime (724481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362243 + 362244.

It is an arithmetic number, because the mean of its divisors is an integer number (362244).

2⁷²⁴⁴⁸⁷ is an apocalyptic number.

724487 is a deficient number, since it is larger than the sum of its proper divisors (1).

724487 is an equidigital number, since it uses as much as digits as its factorization.

724487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 32.

The square root of 724487 is about 851.1680210158. The cubic root of 724487 is about 89.8138952676.

The spelling of 724487 in words is "seven hundred twenty-four thousand, four hundred eighty-seven".