427140 has 96 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 96768.

The previous prime is 427117. The next prime is 427151. The reversal of 427140 is 41724.

It is a happy number.

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

It is an unprimeable number.

427140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3724 + ... + 3836.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2⁴²⁷¹⁴⁰ 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 427140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766080).

427140 is an abundant number, since it is smaller than the sum of its proper divisors (1105020).

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

427140 is a wasteful number, since it uses less digits than its factorization.

427140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 427140 is about 653.5594846684. The cubic root of 427140 is about 75.3107110047.

Adding to 427140 its reverse (41724), we get a palindrome (468864).

The spelling of 427140 in words is "four hundred twenty-seven thousand, one hundred forty", and thus it is an iban number.