716685 has 8 divisors (see below), whose sum is σ = 1146720. Its totient is φ = 382224.

The previous prime is 716671. The next prime is 716687. The reversal of 716685 is 586617.

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

It is not a de Polignac number, because 716685 - 2⁶ = 716621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716687) 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, 23875 + ... + 23904.

It is an arithmetic number, because the mean of its divisors is an integer number (143340).

2⁷¹⁶⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

716685 is a deficient number, since it is larger than the sum of its proper divisors (430035).

716685 is a wasteful number, since it uses less digits than its factorization.

716685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47787.

The product of its digits is 10080, while the sum is 33.

The square root of 716685 is about 846.5725013252. The cubic root of 716685 is about 89.4903290529.

The spelling of 716685 in words is "seven hundred sixteen thousand, six hundred eighty-five".