427568146 has 8 divisors (see below), whose sum is σ = 641959884. Its totient is φ = 213581520.

The previous prime is 427568129. The next prime is 427568159. The reversal of 427568146 is 641865724.

It can be written as a sum of positive squares in 2 ways, for example, as 420865225 + 6702921 = 20515^2 + 2589^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98625 + ... + 102868.

Almost surely, 2^427568146 is an apocalyptic number.

427568146 is a deficient number, since it is larger than the sum of its proper divisors (214391738).

427568146 is a wasteful number, since it uses less digits than its factorization.

427568146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202556.

The product of its digits is 322560, while the sum is 43.

The square root of 427568146 is about 20677.7210059523. The cubic root of 427568146 is about 753.3586529634.

The spelling of 427568146 in words is "four hundred twenty-seven million, five hundred sixty-eight thousand, one hundred forty-six".