327421720 has 32 divisors (see below), whose sum is σ = 745582320. Its totient is φ = 129389440.

The previous prime is 327421711. The next prime is 327421727. The reversal of 327421720 is 27124723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327421727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45991 + ... + 52630.

Almost surely, 2^327421720 is an apocalyptic number.

It is an amenable number.

327421720 is an abundant number, since it is smaller than the sum of its proper divisors (418160600).

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

327421720 is a wasteful number, since it uses less digits than its factorization.

327421720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98715 (or 98711 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 327421720 is about 18094.7981475340. The cubic root of 327421720 is about 689.2379179799.

The spelling of 327421720 in words is "three hundred twenty-seven million, four hundred twenty-one thousand, seven hundred twenty".