427455 has 48 divisors (see below), whose sum is σ = 898560. Its totient is φ = 183744.

The previous prime is 427451. The next prime is 427457. The reversal of 427455 is 554724.

It is not a de Polignac number, because 427455 - 2² = 427451 is a prime.

It is an Ulam number.

Its product of digits (5600) is a multiple of the sum of its prime factors (100).

427455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7216 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (18720).

2⁴²⁷⁴⁵⁵ is an apocalyptic number.

427455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427455 is an abundant number, since it is smaller than the sum of its proper divisors (471105).

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

427455 is a wasteful number, since it uses less digits than its factorization.

427455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 97 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 427455 is about 653.8004282654. The cubic root of 427455 is about 75.3292194132.

The spelling of 427455 in words is "four hundred twenty-seven thousand, four hundred fifty-five".