726424306 has 16 divisors (see below), whose sum is σ = 1154706840. Its totient is φ = 342133120.

The previous prime is 726424247. The next prime is 726424337. The reversal of 726424306 is 603424627.

It can be written as a sum of positive squares in 4 ways, for example, as 248346081 + 478078225 = 15759^2 + 21865^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150361 + ... + 155116.

Almost surely, 2^726424306 is an apocalyptic number.

726424306 is a deficient number, since it is larger than the sum of its proper divisors (428282534).

726424306 is a wasteful number, since it uses less digits than its factorization.

726424306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305549.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 726424306 is about 26952.2597568367. The cubic root of 726424306 is about 898.9387928236.

The spelling of 726424306 in words is "seven hundred twenty-six million, four hundred twenty-four thousand, three hundred six".