427275219 has 16 divisors (see below), whose sum is σ = 666228992. Its totient is φ = 238478688.

The previous prime is 427275197. The next prime is 427275221. The reversal of 427275219 is 912572724.

It is not a de Polignac number, because 427275219 - 2⁷ = 427275091 is a prime.

It is a super-2 number, since 2×427275219² = 365128225542995922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427275239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235684 + ... + 237489.

It is an arithmetic number, because the mean of its divisors is an integer number (41639312).

Almost surely, 2^427275219 is an apocalyptic number.

427275219 is a deficient number, since it is larger than the sum of its proper divisors (238953773).

427275219 is a wasteful number, since it uses less digits than its factorization.

427275219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473226.

The product of its digits is 70560, while the sum is 39.

The square root of 427275219 is about 20670.6366375107. The cubic root of 427275219 is about 753.1865716182.

The spelling of 427275219 in words is "four hundred twenty-seven million, two hundred seventy-five thousand, two hundred nineteen".