427760 has 20 divisors (see below), whose sum is σ = 994728. Its totient is φ = 171072.

The previous prime is 427751. The next prime is 427781. The reversal of 427760 is 67724.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

427760 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 3 ways as a sum of consecutive naturals, for example, 2594 + ... + 2753.

2⁴²⁷⁷⁶⁰ is an apocalyptic number.

427760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427760 is an abundant number, since it is smaller than the sum of its proper divisors (566968).

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

427760 is a wasteful number, since it uses less digits than its factorization.

427760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 427760 is about 654.0336382786. The cubic root of 427760 is about 75.3471315907.

The spelling of 427760 in words is "four hundred twenty-seven thousand, seven hundred sixty".