304072 has 16 divisors (see below), whose sum is σ = 576000. Its totient is φ = 150480.

The previous prime is 304069. The next prime is 304081. The reversal of 304072 is 270403.

304072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

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, 1429 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2³⁰⁴⁰⁷² is an apocalyptic number.

It is an amenable number.

304072 is a deficient number, since it is larger than the sum of its proper divisors (271928).

304072 is a wasteful number, since it uses less digits than its factorization.

304072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 304072 is about 551.4272390806. The cubic root of 304072 is about 67.2448160992.

Adding to 304072 its reverse (270403), we get a palindrome (574475).

The spelling of 304072 in words is "three hundred four thousand, seventy-two", and thus it is an iban number.