427345 has 4 divisors (see below), whose sum is σ = 512820. Its totient is φ = 341872.

The previous prime is 427333. The next prime is 427351. The reversal of 427345 is 543724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 294849 + 132496 = 543^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 427345 - 2¹¹ = 425297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42730 + ... + 42739.

It is an arithmetic number, because the mean of its divisors is an integer number (128205).

2⁴²⁷³⁴⁵ is an apocalyptic number.

It is an amenable number.

427345 is a deficient number, since it is larger than the sum of its proper divisors (85475).

427345 is an equidigital number, since it uses as much as digits as its factorization.

427345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85474.

The product of its digits is 3360, while the sum is 25.

The square root of 427345 is about 653.7162993226. The cubic root of 427345 is about 75.3227571930.

The spelling of 427345 in words is "four hundred twenty-seven thousand, three hundred forty-five".