427075 has 12 divisors (see below), whose sum is σ = 578088. Its totient is φ = 310400.

The previous prime is 427073. The next prime is 427079. The reversal of 427075 is 570724.

427075 = T₆₇ + T₆₈ + ... + T₁₄₁.

It is not a de Polignac number, because 427075 - 2¹ = 427073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

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 (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (48174).

2⁴²⁷⁰⁷⁵ is an apocalyptic number.

427075 is a deficient number, since it is larger than the sum of its proper divisors (151013).

427075 is a wasteful number, since it uses less digits than its factorization.

427075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 427075 is about 653.5097550917. The cubic root of 427075 is about 75.3068906768.

Adding to 427075 its reverse (570724), we get a palindrome (997799).

It can be divided in two parts, 42 and 7075, that added together give a palindrome (7117).

The spelling of 427075 in words is "four hundred twenty-seven thousand, seventy-five".