971705 has 8 divisors (see below), whose sum is σ = 1332672. Its totient is φ = 666288.

The previous prime is 971699. The next prime is 971713. The reversal of 971705 is 507179.

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

It is not a de Polignac number, because 971705 - 2¹⁸ = 709561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 13847 + ... + 13916.

It is an arithmetic number, because the mean of its divisors is an integer number (166584).

2⁹⁷¹⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

971705 is a deficient number, since it is larger than the sum of its proper divisors (360967).

971705 is a wasteful number, since it uses less digits than its factorization.

971705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 971705 is about 985.7509827538. The cubic root of 971705 is about 99.0477951716.

The spelling of 971705 in words is "nine hundred seventy-one thousand, seven hundred five".