724903 has 2 divisors, whose sum is σ = 724904. Its totient is φ = 724902.

The previous prime is 724901. The next prime is 724939. The reversal of 724903 is 309427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724903 - 2¹ = 724901 is a prime.

Together with 724901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362451 + 362452.

It is an arithmetic number, because the mean of its divisors is an integer number (362452).

2⁷²⁴⁹⁰³ is an apocalyptic number.

724903 is a deficient number, since it is larger than the sum of its proper divisors (1).

724903 is an equidigital number, since it uses as much as digits as its factorization.

724903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 724903 is about 851.4123560297. The cubic root of 724903 is about 89.8310823400.

It can be divided in two parts, 72490 and 3, that multiplied together give a triangular number (217470 = T₆₅₉).

The spelling of 724903 in words is "seven hundred twenty-four thousand, nine hundred three".