726760867 has 4 divisors (see below), whose sum is σ = 830583856. Its totient is φ = 622937880.

The previous prime is 726760861. The next prime is 726760871. The reversal of 726760867 is 768067627.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726760867 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 726760867.

It is not an unprimeable number, because it can be changed into a prime (726760861) 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, 51911484 + ... + 51911497.

It is an arithmetic number, because the mean of its divisors is an integer number (207645964).

Almost surely, 2^726760867 is an apocalyptic number.

726760867 is a deficient number, since it is larger than the sum of its proper divisors (103822989).

726760867 is a wasteful number, since it uses less digits than its factorization.

726760867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103822988.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 726760867 is about 26958.5026846819. The cubic root of 726760867 is about 899.0776010582.

The spelling of 726760867 in words is "seven hundred twenty-six million, seven hundred sixty thousand, eight hundred sixty-seven".