716009 has 8 divisors (see below), whose sum is σ = 823680. Its totient is φ = 609696.

The previous prime is 716003. The next prime is 716033. The reversal of 716009 is 900617.

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 not a de Polignac number, because 716009 - 2⁸ = 715753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716003) 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, 1412 + ... + 1850.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

2⁷¹⁶⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

716009 is a deficient number, since it is larger than the sum of its proper divisors (107671).

716009 is a wasteful number, since it uses less digits than its factorization.

716009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 716009 is about 846.1731501295. The cubic root of 716009 is about 89.4621834972.

The spelling of 716009 in words is "seven hundred sixteen thousand, nine".