8042706 has 32 divisors (see below), whose sum is σ = 20426880. Its totient is φ = 2297808.

The previous prime is 8042701. The next prime is 8042707. The reversal of 8042706 is 6072408.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8042706.

It is not an unprimeable number, because it can be changed into a prime (8042701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10261 + ... + 11016.

It is an arithmetic number, because the mean of its divisors is an integer number (638340).

Almost surely, 2^8042706 is an apocalyptic number.

8042706 is an abundant number, since it is smaller than the sum of its proper divisors (12384174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8042706 is a wasteful number, since it uses less digits than its factorization.

8042706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21295 (or 21289 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 8042706 is about 2835.9665019178. The cubic root of 8042706 is about 200.3552519400.

The spelling of 8042706 in words is "eight million, forty-two thousand, seven hundred six".