8730018 has 96 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 2494800.

The previous prime is 8730013. The next prime is 8730049. The reversal of 8730018 is 8100378.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 8729973 and 8730000.

It is not an unprimeable number, because it can be changed into a prime (8730013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122923 + ... + 122993.

It is an arithmetic number, because the mean of its divisors is an integer number (235872).

Almost surely, 2^8730018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8730018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11321856).

8730018 is an abundant number, since it is smaller than the sum of its proper divisors (13913694).

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

8730018 is a wasteful number, since it uses less digits than its factorization.

8730018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 8730018 is about 2954.6603865758. The cubic root of 8730018 is about 205.9072853903.

The spelling of 8730018 in words is "eight million, seven hundred thirty thousand, eighteen".