726003 has 10 divisors (see below), whose sum is σ = 1084644. Its totient is φ = 483948.

The previous prime is 725999. The next prime is 726007. The reversal of 726003 is 300627.

It is an interprime number because it is at equal distance from previous prime (725999) and next prime (726007).

It is not a de Polignac number, because 726003 - 2² = 725999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4401 + ... + 4562.

2⁷²⁶⁰⁰³ is an apocalyptic number.

726003 is a deficient number, since it is larger than the sum of its proper divisors (358641).

726003 is an equidigital number, since it uses as much as digits as its factorization.

726003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975 (or 8966 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 726003 is about 852.0580966108. The cubic root of 726003 is about 89.8764972672.

The spelling of 726003 in words is "seven hundred twenty-six thousand, three".