427742146 has 16 divisors (see below), whose sum is σ = 692362944. Its totient is φ = 197020944.

The previous prime is 427742143. The next prime is 427742149. The reversal of 427742146 is 641247724.

It is an interprime number because it is at equal distance from previous prime (427742143) and next prime (427742149).

It is not an unprimeable number, because it can be changed into a prime (427742143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3276 + ... + 29431.

It is an arithmetic number, because the mean of its divisors is an integer number (43272684).

Almost surely, 2^427742146 is an apocalyptic number.

427742146 is a deficient number, since it is larger than the sum of its proper divisors (264620798).

427742146 is a wasteful number, since it uses less digits than its factorization.

427742146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33225.

The product of its digits is 75264, while the sum is 37.

The square root of 427742146 is about 20681.9280049032. The cubic root of 427742146 is about 753.4608328764.

The spelling of 427742146 in words is "four hundred twenty-seven million, seven hundred forty-two thousand, one hundred forty-six".