304579272 has 64 divisors (see below), whose sum is σ = 804715200. Its totient is φ = 95800320.

The previous prime is 304579267. The next prime is 304579273. The reversal of 304579272 is 272975403.

It is a self number, because there is not a number n which added to its sum of digits gives 304579272.

It is not an unprimeable number, because it can be changed into a prime (304579273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126948 + ... + 129324.

It is an arithmetic number, because the mean of its divisors is an integer number (12573675).

Almost surely, 2^304579272 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 304579272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402357600).

304579272 is an abundant number, since it is smaller than the sum of its proper divisors (500135928).

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

304579272 is a wasteful number, since it uses less digits than its factorization.

304579272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 304579272 is about 17452.1996321381. The cubic root of 304579272 is about 672.8218933203.

The spelling of 304579272 in words is "three hundred four million, five hundred seventy-nine thousand, two hundred seventy-two".