8020872 has 48 divisors (see below), whose sum is σ = 23004540. Its totient is φ = 2515968.

The previous prime is 8020867. The next prime is 8020891. The reversal of 8020872 is 2780208.

It can be written as a sum of positive squares in 2 ways, for example, as 7986276 + 34596 = 2826^2 + 186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2053 + ... + 4500.

Almost surely, 2^8020872 is an apocalyptic number.

It is an amenable number.

8020872 is an abundant number, since it is smaller than the sum of its proper divisors (14983668).

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

8020872 is a wasteful number, since it uses less digits than its factorization.

8020872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582 (or 6575 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 8020872 is about 2832.1144044689. The cubic root of 8020872 is about 200.1737822882.

The spelling of 8020872 in words is "eight million, twenty thousand, eight hundred seventy-two".