726796889 has 8 divisors (see below), whose sum is σ = 894519360. Its totient is φ = 575048016.

The previous prime is 726796871. The next prime is 726796933. The reversal of 726796889 is 988697627.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726796889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726796789) 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 7 ways as a sum of consecutive naturals, for example, 3993299 + ... + 3993480.

It is an arithmetic number, because the mean of its divisors is an integer number (111814920).

Almost surely, 2^726796889 is an apocalyptic number.

It is an amenable number.

726796889 is a deficient number, since it is larger than the sum of its proper divisors (167722471).

726796889 is a wasteful number, since it uses less digits than its factorization.

726796889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986799.

The product of its digits is 18289152, while the sum is 62.

The square root of 726796889 is about 26959.1707773069. The cubic root of 726796889 is about 899.0924551134.

The spelling of 726796889 in words is "seven hundred twenty-six million, seven hundred ninety-six thousand, eight hundred eighty-nine".