327272661 has 24 divisors (see below), whose sum is σ = 505237824. Its totient is φ = 203418240.

The previous prime is 327272653. The next prime is 327272683. The reversal of 327272661 is 166272723.

It is a happy number.

327272661 is a `hidden beast` number, since 327 + 272 + 6 + 61 = 666.

It is not a de Polignac number, because 327272661 - 2³ = 327272653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327276661) 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 23 ways as a sum of consecutive naturals, for example, 6376 + ... + 26366.

It is an arithmetic number, because the mean of its divisors is an integer number (21051576).

Almost surely, 2^327272661 is an apocalyptic number.

It is an amenable number.

327272661 is a deficient number, since it is larger than the sum of its proper divisors (177965163).

327272661 is a wasteful number, since it uses less digits than its factorization.

327272661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121 (or 20118 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 327272661 is about 18090.6788429843. The cubic root of 327272661 is about 689.1333100662.

The spelling of 327272661 in words is "three hundred twenty-seven million, two hundred seventy-two thousand, six hundred sixty-one".