427204305 has 48 divisors (see below), whose sum is σ = 855339264. Its totient is φ = 194941440.

The previous prime is 427204243. The next prime is 427204319. The reversal of 427204305 is 503402724.

427204305 is a `hidden beast` number, since 427 + 204 + 30 + 5 = 666.

It is not a de Polignac number, because 427204305 - 2⁷ = 427204177 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16969 + ... + 33798.

It is an arithmetic number, because the mean of its divisors is an integer number (17819568).

Almost surely, 2^427204305 is an apocalyptic number.

427204305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

427204305 is an abundant number, since it is smaller than the sum of its proper divisors (428134959).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427204305 is a wasteful number, since it uses less digits than its factorization.

427204305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50806 (or 50803 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 427204305 is about 20668.9212345492. The cubic root of 427204305 is about 753.1449010311.

The spelling of 427204305 in words is "four hundred twenty-seven million, two hundred four thousand, three hundred five".