726044223 has 4 divisors (see below), whose sum is σ = 968058968. Its totient is φ = 484029480.

The previous prime is 726044183. The next prime is 726044281. The reversal of 726044223 is 322440627.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 726044223 - 2¹² = 726040127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726044923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121007368 + ... + 121007373.

It is an arithmetic number, because the mean of its divisors is an integer number (242014742).

Almost surely, 2^726044223 is an apocalyptic number.

726044223 is a deficient number, since it is larger than the sum of its proper divisors (242014745).

726044223 is a wasteful number, since it uses less digits than its factorization.

726044223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242014744.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 726044223 is about 26945.2077928525. The cubic root of 726044223 is about 898.7819832024.

The spelling of 726044223 in words is "seven hundred twenty-six million, forty-four thousand, two hundred twenty-three".