304728427 has 2 divisors, whose sum is σ = 304728428. Its totient is φ = 304728426.

The previous prime is 304728409. The next prime is 304728439. The reversal of 304728427 is 724827403.

It is a strong prime.

It is an emirp because it is prime and its reverse (724827403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304728427 - 2¹⁵ = 304695659 is a prime.

It is not a weakly prime, because it can be changed into another prime (304723427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152364213 + 152364214.

It is an arithmetic number, because the mean of its divisors is an integer number (152364214).

Almost surely, 2^304728427 is an apocalyptic number.

304728427 is a deficient number, since it is larger than the sum of its proper divisors (1).

304728427 is an equidigital number, since it uses as much as digits as its factorization.

304728427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 304728427 is about 17456.4723526834. The cubic root of 304728427 is about 672.9317042208.

The spelling of 304728427 in words is "three hundred four million, seven hundred twenty-eight thousand, four hundred twenty-seven".