327974913 has 28 divisors (see below), whose sum is σ = 561994368. Its totient is φ = 187411320.

The previous prime is 327974909. The next prime is 327974921. The reversal of 327974913 is 319479723.

It is not a de Polignac number, because 327974913 - 2² = 327974909 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (327974953) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 27033 + ... + 37238.

It is a Proth number, since it is equal to 10009 ⋅ 2¹⁵ + 1 and 10009 < 2¹⁵.

Almost surely, 2^327974913 is an apocalyptic number.

It is an amenable number.

327974913 is a deficient number, since it is larger than the sum of its proper divisors (234019455).

327974913 is an frugal number, since it uses more digits than its factorization.

327974913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64296 (or 64281 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 327974913 is about 18110.0776641074. The cubic root of 327974913 is about 689.6258652246.

The spelling of 327974913 in words is "three hundred twenty-seven million, nine hundred seventy-four thousand, nine hundred thirteen".