726043 has 2 divisors, whose sum is σ = 726044. Its totient is φ = 726042.

The previous prime is 726023. The next prime is 726071. The reversal of 726043 is 340627.

726043 is nontrivially palindromic in base 16.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726043 - 2⁹ = 725531 is a prime.

726043 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (726013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363021 + 363022.

It is an arithmetic number, because the mean of its divisors is an integer number (363022).

2⁷²⁶⁰⁴³ is an apocalyptic number.

726043 is a deficient number, since it is larger than the sum of its proper divisors (1).

726043 is an equidigital number, since it uses as much as digits as its factorization.

726043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 726043 is about 852.0815688653. The cubic root of 726043 is about 89.8781478545.

The spelling of 726043 in words is "seven hundred twenty-six thousand, forty-three".