726247443 has 6 divisors (see below), whose sum is σ = 968392164. Its totient is φ = 484133844.

The previous prime is 726247421. The next prime is 726247451. The reversal of 726247443 is 344742627.

It is not a de Polignac number, because 726247443 - 2²² = 722053139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726247453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38898 + ... + 54456.

It is an arithmetic number, because the mean of its divisors is an integer number (161398694).

Almost surely, 2^726247443 is an apocalyptic number.

726247443 is a deficient number, since it is larger than the sum of its proper divisors (242144721).

726247443 is an frugal number, since it uses more digits than its factorization.

726247443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31121 (or 15562 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 726247443 is about 26948.9785149642. The cubic root of 726247443 is about 898.8658318304.

The spelling of 726247443 in words is "seven hundred twenty-six million, two hundred forty-seven thousand, four hundred forty-three".