330472271 has 4 divisors (see below), whose sum is σ = 339403992. Its totient is φ = 321540552.

The previous prime is 330472237. The next prime is 330472273. The reversal of 330472271 is 172274033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330472271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330472273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4465805 + ... + 4465878.

It is an arithmetic number, because the mean of its divisors is an integer number (84850998).

Almost surely, 2^330472271 is an apocalyptic number.

330472271 is a deficient number, since it is larger than the sum of its proper divisors (8931721).

330472271 is an equidigital number, since it uses as much as digits as its factorization.

330472271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931720.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 330472271 is about 18178.8963086322. The cubic root of 330472271 is about 691.3718216736.

The spelling of 330472271 in words is "three hundred thirty million, four hundred seventy-two thousand, two hundred seventy-one".