327421671 has 4 divisors (see below), whose sum is σ = 436562232. Its totient is φ = 218281112.

The previous prime is 327421669. The next prime is 327421711. The reversal of 327421671 is 176124723.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 327421671 - 2¹ = 327421669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327421631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54570276 + ... + 54570281.

It is an arithmetic number, because the mean of its divisors is an integer number (109140558).

Almost surely, 2^327421671 is an apocalyptic number.

327421671 is a deficient number, since it is larger than the sum of its proper divisors (109140561).

327421671 is a wasteful number, since it uses less digits than its factorization.

327421671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109140560.

The product of its digits is 14112, while the sum is 33.

The square root of 327421671 is about 18094.7967935537. The cubic root of 327421671 is about 689.2378835975.

The spelling of 327421671 in words is "three hundred twenty-seven million, four hundred twenty-one thousand, six hundred seventy-one".