304042072 has 16 divisors (see below), whose sum is σ = 571075560. Its totient is φ = 151755264.

The previous prime is 304042069. The next prime is 304042097. The reversal of 304042072 is 270240403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28318 + ... + 37549.

Almost surely, 2^304042072 is an apocalyptic number.

It is an amenable number.

304042072 is a deficient number, since it is larger than the sum of its proper divisors (267033488).

304042072 is a wasteful number, since it uses less digits than its factorization.

304042072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66450 (or 66446 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 304042072 is about 17436.8022297668. The cubic root of 304042072 is about 672.4260985757.

Adding to 304042072 its reverse (270240403), we get a palindrome (574282475).

The spelling of 304042072 in words is "three hundred four million, forty-two thousand, seventy-two".