328734727 has 2 divisors, whose sum is σ = 328734728. Its totient is φ = 328734726.

The previous prime is 328734683. The next prime is 328734739. The reversal of 328734727 is 727437823.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328734727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328732727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164367363 + 164367364.

It is an arithmetic number, because the mean of its divisors is an integer number (164367364).

Almost surely, 2^328734727 is an apocalyptic number.

328734727 is a deficient number, since it is larger than the sum of its proper divisors (1).

328734727 is an equidigital number, since it uses as much as digits as its factorization.

328734727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 43.

The square root of 328734727 is about 18131.0431856526. The cubic root of 328734727 is about 690.1580027437.

The spelling of 328734727 in words is "three hundred twenty-eight million, seven hundred thirty-four thousand, seven hundred twenty-seven".