427500 has 90 divisors (see below), whose sum is σ = 1421420. Its totient is φ = 108000.

The previous prime is 427477. The next prime is 427513. The reversal of 427500 is 5724.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427500.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 22491 + ... + 22509.

2⁴²⁷⁵⁰⁰ 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 427500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710710).

427500 is an abundant number, since it is smaller than the sum of its proper divisors (993920).

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

427500 is a wasteful number, since it uses less digits than its factorization.

427500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 427500 is about 653.8348415311. The cubic root of 427500 is about 75.3318627292.

The spelling of 427500 in words is "four hundred twenty-seven thousand, five hundred".