327721104 has 60 divisors (see below), whose sum is σ = 971121996. Its totient is φ = 102813696.

The previous prime is 327721067. The next prime is 327721111. The reversal of 327721104 is 401127723.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 235561104 + 92160000 = 15348^2 + 9600^2 .

It is a super-2 number, since 2×327721104² = 214802244013957632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64489 + ... + 69384.

Almost surely, 2^327721104 is an apocalyptic number.

327721104 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

327721104 is an abundant number, since it is smaller than the sum of its proper divisors (643400892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

327721104 is a wasteful number, since it uses less digits than its factorization.

327721104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133904 (or 133895 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 327721104 is about 18103.0689110990. The cubic root of 327721104 is about 689.4479263899.

Adding to 327721104 its reverse (401127723), we get a palindrome (728848827).

The spelling of 327721104 in words is "three hundred twenty-seven million, seven hundred twenty-one thousand, one hundred four".