8707530 has 64 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 2109696.

The previous prime is 8707477. The next prime is 8707537. The reversal of 8707530 is 357078.

8707530 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×8707530³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8707537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32236 + ... + 32504.

It is an arithmetic number, because the mean of its divisors is an integer number (357210).

Almost surely, 2^8707530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8707530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11430720).

8707530 is an abundant number, since it is smaller than the sum of its proper divisors (14153910).

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

8707530 is a wasteful number, since it uses less digits than its factorization.

8707530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 8707530 is about 2950.8524192172. The cubic root of 8707530 is about 205.7303317785.

The spelling of 8707530 in words is "eight million, seven hundred seven thousand, five hundred thirty".