474730218 has 48 divisors (see below), whose sum is σ = 1064933376. Its totient is φ = 152681760.

The previous prime is 474730213. The next prime is 474730231. The reversal of 474730218 is 812037474.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (474730213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220455 + ... + 222597.

It is an arithmetic number, because the mean of its divisors is an integer number (22186112).

Almost surely, 2^474730218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474730218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532466688).

474730218 is an abundant number, since it is smaller than the sum of its proper divisors (590203158).

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

474730218 is a wasteful number, since it uses less digits than its factorization.

474730218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 474730218 is about 21788.3046150911. The cubic root of 474730218 is about 780.0976307773.

The spelling of 474730218 in words is "four hundred seventy-four million, seven hundred thirty thousand, two hundred eighteen".