427271500 has 96 divisors (see below), whose sum is σ = 980179200. Its totient is φ = 162489600.

The previous prime is 427271497. The next prime is 427271519. The reversal of 427271500 is 5172724.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1145314 + ... + 1145686.

It is an arithmetic number, because the mean of its divisors is an integer number (10210200).

Almost surely, 2^427271500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427271500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490089600).

427271500 is an abundant number, since it is smaller than the sum of its proper divisors (552907700).

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

427271500 is a wasteful number, since it uses less digits than its factorization.

427271500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 427271500 is about 20670.5466787891. The cubic root of 427271500 is about 753.1843863686.

The spelling of 427271500 in words is "four hundred twenty-seven million, two hundred seventy-one thousand, five hundred".