716558009 has 8 divisors (see below), whose sum is σ = 729438720. Its totient is φ = 703701936.

The previous prime is 716557987. The next prime is 716558023. The reversal of 716558009 is 900855617.

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 716558009 - 2¹² = 716553913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716558069) 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, 58547 + ... + 69719.

It is an arithmetic number, because the mean of its divisors is an integer number (91179840).

Almost surely, 2^716558009 is an apocalyptic number.

It is an amenable number.

716558009 is a deficient number, since it is larger than the sum of its proper divisors (12880711).

716558009 is a wasteful number, since it uses less digits than its factorization.

716558009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 716558009 is about 26768.6011774990. The cubic root of 716558009 is about 894.8504307761.

The spelling of 716558009 in words is "seven hundred sixteen million, five hundred fifty-eight thousand, nine".