726116771 has 8 divisors (see below), whose sum is σ = 741947904. Its totient is φ = 710301640.

The previous prime is 726116753. The next prime is 726116779. The reversal of 726116771 is 177611627.

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-726116771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726116779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156146 + ... + 160728.

It is an arithmetic number, because the mean of its divisors is an integer number (92743488).

Almost surely, 2^726116771 is an apocalyptic number.

726116771 is a deficient number, since it is larger than the sum of its proper divisors (15831133).

726116771 is a wasteful number, since it uses less digits than its factorization.

726116771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001.

The product of its digits is 24696, while the sum is 38.

The square root of 726116771 is about 26946.5539726326. The cubic root of 726116771 is about 898.8119183227.

The spelling of 726116771 in words is "seven hundred twenty-six million, one hundred sixteen thousand, seven hundred seventy-one".