726793873 has 8 divisors (see below), whose sum is σ = 786676968. Its totient is φ = 667478784.

The previous prime is 726793867. The next prime is 726793889. The reversal of 726793873 is 378397627.

It can be written as a sum of positive squares in 4 ways, for example, as 125955729 + 600838144 = 11223^2 + 24512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726793873 - 2⁵ = 726793841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 726793873.

It is not an unprimeable number, because it can be changed into a prime (726793973) 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 7 ways as a sum of consecutive naturals, for example, 139336 + ... + 144457.

It is an arithmetic number, because the mean of its divisors is an integer number (98334621).

Almost surely, 2^726793873 is an apocalyptic number.

It is an amenable number.

726793873 is a deficient number, since it is larger than the sum of its proper divisors (59883095).

726793873 is a wasteful number, since it uses less digits than its factorization.

726793873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284003.

The product of its digits is 2667168, while the sum is 52.

The square root of 726793873 is about 26959.1148408103. The cubic root of 726793873 is about 899.0912114525.

The spelling of 726793873 in words is "seven hundred twenty-six million, seven hundred ninety-three thousand, eight hundred seventy-three".