8705345 has 12 divisors (see below), whose sum is σ = 11483220. Its totient is φ = 6330720.

The previous prime is 8705311. The next prime is 8705351. The reversal of 8705345 is 5435078.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2795584 + 5909761 = 1672^2 + 2431^2 .

It is not a de Polignac number, because 8705345 - 2¹⁴ = 8688961 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6590 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (956935).

Almost surely, 2^8705345 is an apocalyptic number.

It is an amenable number.

8705345 is a deficient number, since it is larger than the sum of its proper divisors (2777875).

8705345 is a wasteful number, since it uses less digits than its factorization.

8705345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416 (or 14405 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 8705345 is about 2950.4821639861. The cubic root of 8705345 is about 205.7131222147.

The spelling of 8705345 in words is "eight million, seven hundred five thousand, three hundred forty-five".