8040705 has 32 divisors (see below), whose sum is σ = 13737600. Its totient is φ = 4004352.

The previous prime is 8040701. The next prime is 8040707. The reversal of 8040705 is 5070408.

8040705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8040705 - 2² = 8040701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8040701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25207 + ... + 25523.

It is an arithmetic number, because the mean of its divisors is an integer number (429300).

Almost surely, 2^8040705 is an apocalyptic number.

It is an amenable number.

8040705 is a deficient number, since it is larger than the sum of its proper divisors (5696895).

8040705 is a wasteful number, since it uses less digits than its factorization.

8040705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 8040705 is about 2835.6136901912. The cubic root of 8040705 is about 200.3386346426.

The spelling of 8040705 in words is "eight million, forty thousand, seven hundred five".