427772 has 12 divisors (see below), whose sum is σ = 753480. Its totient is φ = 212496.

The previous prime is 427751. The next prime is 427781. The reversal of 427772 is 277724.

427772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427772.

It is an unprimeable number.

427772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 683 + ... + 1149.

It is an arithmetic number, because the mean of its divisors is an integer number (62790).

2⁴²⁷⁷⁷² is an apocalyptic number.

It is an amenable number.

427772 is a deficient number, since it is larger than the sum of its proper divisors (325708).

427772 is a wasteful number, since it uses less digits than its factorization.

427772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 698 counting only the distinct ones).

The product of its digits is 5488, while the sum is 29.

The square root of 427772 is about 654.0428120544. The cubic root of 427772 is about 75.3478361580.

The spelling of 427772 in words is "four hundred twenty-seven thousand, seven hundred seventy-two", and thus it is an iban number.