8730219 has 4 divisors (see below), whose sum is σ = 11640296. Its totient is φ = 5820144.

The previous prime is 8730181. The next prime is 8730229. The reversal of 8730219 is 9120378.

It is a happy number.

8730219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8730219 - 2⁷ = 8730091 is a prime.

It is a super-2 number, since 2×8730219² = 152433447575922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8730229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455034 + ... + 1455039.

It is an arithmetic number, because the mean of its divisors is an integer number (2910074).

Almost surely, 2^8730219 is an apocalyptic number.

8730219 is a deficient number, since it is larger than the sum of its proper divisors (2910077).

8730219 is a wasteful number, since it uses less digits than its factorization.

8730219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910076.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 8730219 is about 2954.6944004414. The cubic root of 8730219 is about 205.9088656485.

The spelling of 8730219 in words is "eight million, seven hundred thirty thousand, two hundred nineteen".