8730120 has 128 divisors (see below), whose sum is σ = 31564800. Its totient is φ = 1886976.

The previous prime is 8730103. The next prime is 8730149. The reversal of 8730120 is 210378.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15687 + ... + 16233.

It is an arithmetic number, because the mean of its divisors is an integer number (246600).

Almost surely, 2^8730120 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 8730120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15782400).

8730120 is an abundant number, since it is smaller than the sum of its proper divisors (22834680).

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

8730120 is a wasteful number, since it uses less digits than its factorization.

8730120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 8730120 is about 2954.6776473924. The cubic root of 8730120 is about 205.9080873154.

Adding to 8730120 its reverse (210378), we get a palindrome (8940498).

The spelling of 8730120 in words is "eight million, seven hundred thirty thousand, one hundred twenty".