90717 has 8 divisors (see below), whose sum is σ = 132000. Its totient is φ = 54960.

The previous prime is 90709. The next prime is 90731. The reversal of 90717 is 71709.

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

It is not a de Polignac number, because 90717 - 2³ = 90709 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90717.

It is not an unprimeable number, because it can be changed into a prime (90787) 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, 1342 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (16500).

2⁹⁰⁷¹⁷ is an apocalyptic number.

It is an amenable number.

90717 is a deficient number, since it is larger than the sum of its proper divisors (41283).

90717 is a wasteful number, since it uses less digits than its factorization.

90717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 441, while the sum is 24.

The square root of 90717 is about 301.1926293919. The cubic root of 90717 is about 44.9327390221.

The spelling of 90717 in words is "ninety thousand, seven hundred seventeen".