427755 has 8 divisors (see below), whose sum is σ = 684432. Its totient is φ = 228128.

The previous prime is 427751. The next prime is 427781. The reversal of 427755 is 557724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427755 - 2² = 427751 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (427751) 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, 14244 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (85554).

2⁴²⁷⁷⁵⁵ is an apocalyptic number.

427755 is a deficient number, since it is larger than the sum of its proper divisors (256677).

427755 is a wasteful number, since it uses less digits than its factorization.

427755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28525.

The product of its digits is 9800, while the sum is 30.

The square root of 427755 is about 654.0298158341. The cubic root of 427755 is about 75.3468380171.

The spelling of 427755 in words is "four hundred twenty-seven thousand, seven hundred fifty-five".