8730280 has 64 divisors (see below), whose sum is σ = 21490560. Its totient is φ = 3172608.

The previous prime is 8730269. The next prime is 8730283. The reversal of 8730280 is 820378.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8730283) 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, 53479 + ... + 53641.

It is an arithmetic number, because the mean of its divisors is an integer number (335790).

Almost surely, 2^8730280 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 8730280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10745280).

8730280 is an abundant number, since it is smaller than the sum of its proper divisors (12760280).

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

8730280 is a wasteful number, since it uses less digits than its factorization.

8730280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 8730280 is about 2954.7047229799. The cubic root of 8730280 is about 205.9093452245.

The spelling of 8730280 in words is "eight million, seven hundred thirty thousand, two hundred eighty".