327712405 has 8 divisors (see below), whose sum is σ = 393353784. Its totient is φ = 262104000.

The previous prime is 327712393. The next prime is 327712433. The reversal of 327712405 is 504217723.

It can be written as a sum of positive squares in 4 ways, for example, as 18198756 + 309513649 = 4266^2 + 17593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 327712405 - 2¹³ = 327704213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28615 + ... + 38395.

It is an arithmetic number, because the mean of its divisors is an integer number (49169223).

Almost surely, 2^327712405 is an apocalyptic number.

It is an amenable number.

327712405 is a deficient number, since it is larger than the sum of its proper divisors (65641379).

327712405 is an equidigital number, since it uses as much as digits as its factorization.

327712405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16487.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 327712405 is about 18102.8286463746. The cubic root of 327712405 is about 689.4418261210.

The spelling of 327712405 in words is "three hundred twenty-seven million, seven hundred twelve thousand, four hundred five".