716891243 has 8 divisors (see below), whose sum is σ = 738401712. Its totient is φ = 695493216.

The previous prime is 716891221. The next prime is 716891297. The reversal of 716891243 is 342198617.

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 716891243 - 2¹⁰ = 716890219 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 716891243.

It is not an unprimeable number, because it can be changed into a prime (716891443) 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, 15080 + ... + 40757.

It is an arithmetic number, because the mean of its divisors is an integer number (92300214).

Almost surely, 2^716891243 is an apocalyptic number.

716891243 is a deficient number, since it is larger than the sum of its proper divisors (21510469).

716891243 is a wasteful number, since it uses less digits than its factorization.

716891243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56221.

The product of its digits is 72576, while the sum is 41.

The square root of 716891243 is about 26774.8247986798. The cubic root of 716891243 is about 894.9891254674.

The spelling of 716891243 in words is "seven hundred sixteen million, eight hundred ninety-one thousand, two hundred forty-three".