8520070 has 16 divisors (see below), whose sum is σ = 16516080. Its totient is φ = 3145824.

The previous prime is 8520041. The next prime is 8520079. The reversal of 8520070 is 700258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32640 + ... + 32899.

It is an arithmetic number, because the mean of its divisors is an integer number (1032255).

Almost surely, 2^8520070 is an apocalyptic number.

8520070 is a deficient number, since it is larger than the sum of its proper divisors (7996010).

8520070 is a wasteful number, since it uses less digits than its factorization.

8520070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65559.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 8520070 is about 2918.9158946431. The cubic root of 8520070 is about 204.2432539731.

The spelling of 8520070 in words is "eight million, five hundred twenty thousand, seventy".