304136072 has 8 divisors (see below), whose sum is σ = 570255150. Its totient is φ = 152068032.

The previous prime is 304136047. The next prime is 304136083. The reversal of 304136072 is 270631403.

It can be written as a sum of positive squares in only one way, i.e., 303665476 + 470596 = 17426^2 + 686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19008497 + ... + 19008512.

Almost surely, 2^304136072 is an apocalyptic number.

It is an amenable number.

304136072 is a deficient number, since it is larger than the sum of its proper divisors (266119078).

304136072 is a wasteful number, since it uses less digits than its factorization.

304136072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38017015 (or 38017011 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 304136072 is about 17439.4974698241. The cubic root of 304136072 is about 672.4953889210.

Adding to 304136072 its reverse (270631403), we get a palindrome (574767475).

The spelling of 304136072 in words is "three hundred four million, one hundred thirty-six thousand, seventy-two".