427450205 has 16 divisors (see below), whose sum is σ = 631311744. Its totient is φ = 270561600.

The previous prime is 427450181. The next prime is 427450207. The reversal of 427450205 is 502054724.

It is a happy number.

It is not a de Polignac number, because 427450205 - 2⁸ = 427449949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427450207) 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, 469271 + ... + 470180.

It is an arithmetic number, because the mean of its divisors is an integer number (39456984).

Almost surely, 2^427450205 is an apocalyptic number.

It is an amenable number.

427450205 is a deficient number, since it is larger than the sum of its proper divisors (203861539).

427450205 is a wasteful number, since it uses less digits than its factorization.

427450205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939476.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 427450205 is about 20674.8689234055. The cubic root of 427450205 is about 753.2893774224.

The spelling of 427450205 in words is "four hundred twenty-seven million, four hundred fifty thousand, two hundred five".