2071705 has 8 divisors (see below), whose sum is σ = 2632392. Its totient is φ = 1559808.

The previous prime is 2071687. The next prime is 2071711. The reversal of 2071705 is 5071702.

It can be written as a sum of positive squares in 4 ways, for example, as 278784 + 1792921 = 528^2 + 1339^2 .

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 2071705 - 2⁹ = 2071193 is a prime.

It is a Duffinian 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, 12102 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (329049).

2^2071705 is an apocalyptic number.

It is an amenable number.

2071705 is a deficient number, since it is larger than the sum of its proper divisors (560687).

2071705 is a wasteful number, since it uses less digits than its factorization.

2071705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24395.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 2071705 is about 1439.3418634918. The cubic root of 2071705 is about 127.4801712083.

The spelling of 2071705 in words is "two million, seventy-one thousand, seven hundred five".