327913573 has 18 divisors (see below), whose sum is σ = 366274134. Its totient is φ = 293222592.

The previous prime is 327913559. The next prime is 327913601. The reversal of 327913573 is 375319723.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 412164 + 327501409 = 642^2 + 18097^2 .

It is not a de Polignac number, because 327913573 - 2⁵ = 327913541 is a prime.

It is a super-2 number, since 2×327913573² = 215054622715252658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327913543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1431823 + ... + 1432051.

It is an arithmetic number, because the mean of its divisors is an integer number (20348563).

Almost surely, 2^327913573 is an apocalyptic number.

It is an amenable number.

327913573 is a deficient number, since it is larger than the sum of its proper divisors (38360561).

327913573 is an equidigital number, since it uses as much as digits as its factorization.

327913573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 279 counting only the distinct ones).

The product of its digits is 119070, while the sum is 40.

The square root of 327913573 is about 18108.3840526978. The cubic root of 327913573 is about 689.5828697735.

The spelling of 327913573 in words is "three hundred twenty-seven million, nine hundred thirteen thousand, five hundred seventy-three".