427276 has 12 divisors (see below), whose sum is σ = 768208. Its totient is φ = 207792.

The previous prime is 427249. The next prime is 427279. The reversal of 427276 is 672724.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (427279) by changing a digit.

427276 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 1296 + ... + 1591.

427276 is a Friedman number, since it can be written as 74*(76^2-2), using all its digits and the basic arithmetic operations.

2⁴²⁷²⁷⁶ is an apocalyptic number.

It is an amenable number.

427276 is a deficient number, since it is larger than the sum of its proper divisors (340932).

427276 is a wasteful number, since it uses less digits than its factorization.

427276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928 (or 2926 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 427276 is about 653.6635220050. The cubic root of 427276 is about 75.3187030525.

It can be divided in two parts, 427 and 276, that added together give a triangular number (703 = T₃₇).

The spelling of 427276 in words is "four hundred twenty-seven thousand, two hundred seventy-six".