427756 has 12 divisors (see below), whose sum is σ = 855568. Its totient is φ = 183312.

The previous prime is 427751. The next prime is 427781. The reversal of 427756 is 657724.

427756 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (427751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611 + ... + 7666.

2⁴²⁷⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

427756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

427756 is a wasteful number, since it uses less digits than its factorization.

427756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15288 (or 15286 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 427756 is about 654.0305803248. The cubic root of 427756 is about 75.3468967320.

The spelling of 427756 in words is "four hundred twenty-seven thousand, seven hundred fifty-six".