2070717805 has 8 divisors (see below), whose sum is σ = 2676004632. Its totient is φ = 1529145408.

The previous prime is 2070717767. The next prime is 2070717841. The reversal of 2070717805 is 5087170702.

It can be written as a sum of positive squares in 4 ways, for example, as 3924361 + 2066793444 = 1981^2 + 45462^2 .

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 2070717805 - 2¹⁷ = 2070586733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15928534 + ... + 15928663.

It is an arithmetic number, because the mean of its divisors is an integer number (334500579).

Almost surely, 2^2070717805 is an apocalyptic number.

It is an amenable number.

2070717805 is a deficient number, since it is larger than the sum of its proper divisors (605286827).

2070717805 is a wasteful number, since it uses less digits than its factorization.

2070717805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31857215.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 2070717805 is about 45505.1404239125. The cubic root of 2070717805 is about 1274.5991932525.

The spelling of 2070717805 in words is "two billion, seventy million, seven hundred seventeen thousand, eight hundred five".