8070820 has 48 divisors (see below), whose sum is σ = 18164160. Its totient is φ = 3003264.

The previous prime is 8070817. The next prime is 8070827. The reversal of 8070820 is 280708.

8070820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8070827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25302 + ... + 25618.

It is an arithmetic number, because the mean of its divisors is an integer number (378420).

Almost surely, 2^8070820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8070820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9082080).

8070820 is an abundant number, since it is smaller than the sum of its proper divisors (10093340).

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

8070820 is a wasteful number, since it uses less digits than its factorization.

8070820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 8070820 is about 2840.9188654377. The cubic root of 8070820 is about 200.5884336977.

The spelling of 8070820 in words is "eight million, seventy thousand, eight hundred twenty".