1705707085 has 4 divisors (see below), whose sum is σ = 2046848508. Its totient is φ = 1364565664.

The previous prime is 1705707077. The next prime is 1705707103. The reversal of 1705707085 is 5807075071.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5807075071 = 7 ⋅829582153.

It can be written as a sum of positive squares in 2 ways, for example, as 801682596 + 904024489 = 28314^2 + 30067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1705707085 - 2³ = 1705707077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170570704 + ... + 170570713.

It is an arithmetic number, because the mean of its divisors is an integer number (511712127).

Almost surely, 2^1705707085 is an apocalyptic number.

It is an amenable number.

1705707085 is a deficient number, since it is larger than the sum of its proper divisors (341141423).

1705707085 is an equidigital number, since it uses as much as digits as its factorization.

1705707085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341141422.

The product of its (nonzero) digits is 68600, while the sum is 40.

The square root of 1705707085 is about 41300.2068396758. The cubic root of 1705707085 is about 1194.8172511633.

The spelling of 1705707085 in words is "one billion, seven hundred five million, seven hundred seven thousand, eighty-five".