327715345 has 4 divisors (see below), whose sum is σ = 393258420. Its totient is φ = 262172272.

The previous prime is 327715343. The next prime is 327715357. The reversal of 327715345 is 543517723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543517723 = 7 ⋅77645389.

It can be written as a sum of positive squares in 2 ways, for example, as 63425296 + 264290049 = 7964^2 + 16257^2 .

It is a cyclic number.

It is not a de Polignac number, because 327715345 - 2¹ = 327715343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (327715343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32771530 + ... + 32771539.

It is an arithmetic number, because the mean of its divisors is an integer number (98314605).

Almost surely, 2^327715345 is an apocalyptic number.

It is an amenable number.

327715345 is a deficient number, since it is larger than the sum of its proper divisors (65543075).

327715345 is an equidigital number, since it uses as much as digits as its factorization.

327715345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65543074.

The product of its digits is 88200, while the sum is 37.

The square root of 327715345 is about 18102.9098489718. The cubic root of 327715345 is about 689.4438878403.

The spelling of 327715345 in words is "three hundred twenty-seven million, seven hundred fifteen thousand, three hundred forty-five".