427748 has 6 divisors (see below), whose sum is σ = 748566. Its totient is φ = 213872.

The previous prime is 427733. The next prime is 427751. The reversal of 427748 is 847724.

It can be written as a sum of positive squares in only one way, i.e., 350464 + 77284 = 592^2 + 278^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427748.

It is an unprimeable number.

427748 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 as a sum of consecutive naturals, namely, 53465 + ... + 53472.

It is an arithmetic number, because the mean of its divisors is an integer number (124761).

2⁴²⁷⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

427748 is a deficient number, since it is larger than the sum of its proper divisors (320818).

427748 is a wasteful number, since it uses less digits than its factorization.

427748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106941 (or 106939 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 427748 is about 654.0244643742. The cubic root of 427748 is about 75.3464270103.

Subtracting from 427748 its sum of digits (32), we obtain a square (427716 = 654²).

The spelling of 427748 in words is "four hundred twenty-seven thousand, seven hundred forty-eight".