726816240005 has 8 divisors (see below), whose sum is σ = 873234123552. Its totient is φ = 580749901648.

The previous prime is 726816239999. The next prime is 726816240013. The reversal of 726816240005 is 500042618627.

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 726816240005 - 2⁸ = 726816239749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 87881747 + ... + 87890016.

It is an arithmetic number, because the mean of its divisors is an integer number (109154265444).

Almost surely, 2^726816240005 is an apocalyptic number.

It is an amenable number.

726816240005 is a deficient number, since it is larger than the sum of its proper divisors (146417883547).

726816240005 is a wasteful number, since it uses less digits than its factorization.

726816240005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175772595.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 726816240005 in words is "seven hundred twenty-six billion, eight hundred sixteen million, two hundred forty thousand, five".