427066 has 4 divisors (see below), whose sum is σ = 640602. Its totient is φ = 213532.

The previous prime is 427043. The next prime is 427067. The reversal of 427066 is 660724.

427066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 48841 = 615^2 + 221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 427066.

It is not an unprimeable number, because it can be changed into a prime (427067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106765 + ... + 106768.

2⁴²⁷⁰⁶⁶ is an apocalyptic number.

427066 is a deficient number, since it is larger than the sum of its proper divisors (213536).

427066 is a wasteful number, since it uses less digits than its factorization.

427066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213535.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 427066 is about 653.5028691597. The cubic root of 427066 is about 75.3063616778.

The spelling of 427066 in words is "four hundred twenty-seven thousand, sixty-six".