276427 has 8 divisors (see below), whose sum is σ = 294272. Its totient is φ = 259200.

The previous prime is 276401. The next prime is 276439. The reversal of 276427 is 724672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276395 and 276404.

It is not an unprimeable number, because it can be changed into a prime (276467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027 + ... + 1267.

It is an arithmetic number, because the mean of its divisors is an integer number (36784).

2²⁷⁶⁴²⁷ is an apocalyptic number.

276427 is a deficient number, since it is larger than the sum of its proper divisors (17845).

276427 is a wasteful number, since it uses less digits than its factorization.

276427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

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

The square root of 276427 is about 525.7632547069. The cubic root of 276427 is about 65.1418597969.

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

The spelling of 276427 in words is "two hundred seventy-six thousand, four hundred twenty-seven".