8106705 has 24 divisors (see below), whose sum is σ = 14879592. Its totient is φ = 4068864.

The previous prime is 8106697. The next prime is 8106751. The reversal of 8106705 is 5076018.

It can be written as a sum of positive squares in 4 ways, for example, as 221841 + 7884864 = 471^2 + 2808^2 .

It is not a de Polignac number, because 8106705 - 2³ = 8106697 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4534 + ... + 6063.

It is an arithmetic number, because the mean of its divisors is an integer number (619983).

Almost surely, 2^8106705 is an apocalyptic number.

8106705 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8106705 is a deficient number, since it is larger than the sum of its proper divisors (6772887).

8106705 is a wasteful number, since it uses less digits than its factorization.

8106705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625 (or 10622 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 8106705 is about 2847.2275989109. The cubic root of 8106705 is about 200.8852839135.

The spelling of 8106705 in words is "eight million, one hundred six thousand, seven hundred five".