8117070 has 48 divisors (see below), whose sum is σ = 21107952. Its totient is φ = 1996800.

The previous prime is 8117069. The next prime is 8117077. The reversal of 8117070 is 707118.

It is a self number, because there is not a number n which added to its sum of digits gives 8117070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4270 + ... + 5870.

It is an arithmetic number, because the mean of its divisors is an integer number (439749).

Almost surely, 2^8117070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8117070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10553976).

8117070 is an abundant number, since it is smaller than the sum of its proper divisors (12990882).

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

8117070 is a wasteful number, since it uses less digits than its factorization.

8117070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 8117070 is about 2849.0472091561. The cubic root of 8117070 is about 200.9708628342.

The spelling of 8117070 in words is "eight million, one hundred seventeen thousand, seventy".