8020706 has 4 divisors (see below), whose sum is σ = 12031062. Its totient is φ = 4010352.

The previous prime is 8020703. The next prime is 8020709. The reversal of 8020706 is 6070208.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8020703) and next prime (8020709).

It can be written as a sum of positive squares in only one way, i.e., 6046681 + 1974025 = 2459^2 + 1405^2 .

It is not an unprimeable number, because it can be changed into a prime (8020703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005175 + ... + 2005178.

Almost surely, 2^8020706 is an apocalyptic number.

8020706 is a deficient number, since it is larger than the sum of its proper divisors (4010356).

8020706 is a wasteful number, since it uses less digits than its factorization.

8020706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010355.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8020706 is about 2832.0850975915. The cubic root of 8020706 is about 200.1724013462.

The spelling of 8020706 in words is "eight million, twenty thousand, seven hundred six".