427072 has 14 divisors (see below), whose sum is σ = 847598. Its totient is φ = 213504.

The previous prime is 427069. The next prime is 427073. The reversal of 427072 is 270724.

It can be written as a sum of positive squares in only one way, i.e., 254016 + 173056 = 504^2 + 416^2 .

It is not an unprimeable number, because it can be changed into a prime (427073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273 + ... + 3400.

2⁴²⁷⁰⁷² is an apocalyptic number.

It is an amenable number.

427072 is a deficient number, since it is larger than the sum of its proper divisors (420526).

427072 is an equidigital number, since it uses as much as digits as its factorization.

427072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685 (or 6675 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 427072 is about 653.5074597891. The cubic root of 427072 is about 75.3067143447.

Adding to 427072 its reverse (270724), we get a palindrome (697796).

The spelling of 427072 in words is "four hundred twenty-seven thousand, seventy-two", and thus it is an iban number.