304541272 has 96 divisors (see below), whose sum is σ = 722304000. Its totient is φ = 119568960.

The previous prime is 304541231. The next prime is 304541309. The reversal of 304541272 is 272145403.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 304541272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230229 + ... + 231547.

It is an arithmetic number, because the mean of its divisors is an integer number (7524000).

Almost surely, 2^304541272 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 304541272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361152000).

304541272 is an abundant number, since it is smaller than the sum of its proper divisors (417762728).

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

304541272 is a wasteful number, since it uses less digits than its factorization.

304541272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 304541272 is about 17451.1109101971. The cubic root of 304541272 is about 672.7939112286.

Adding to 304541272 its reverse (272145403), we get a palindrome (576686675).

The spelling of 304541272 in words is "three hundred four million, five hundred forty-one thousand, two hundred seventy-two".