304030272 has 112 divisors (see below), whose sum is σ = 990104192. Its totient is φ = 80179200.

The previous prime is 304030271. The next prime is 304030273. The reversal of 304030272 is 272030403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (304030271) and next prime (304030273).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (304030271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8772 + ... + 26172.

It is an arithmetic number, because the mean of its divisors is an integer number (8840216).

Almost surely, 2^304030272 is an apocalyptic number.

304030272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304030272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495052096).

304030272 is an abundant number, since it is smaller than the sum of its proper divisors (686073920).

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

304030272 is a wasteful number, since it uses less digits than its factorization.

304030272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17436 (or 17426 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 304030272 is about 17436.4638616894. The cubic root of 304030272 is about 672.4173994171.

Adding to 304030272 its reverse (272030403), we get a palindrome (576060675).

The spelling of 304030272 in words is "three hundred four million, thirty thousand, two hundred seventy-two".