42771346 has 16 divisors (see below), whose sum is σ = 66591000. Its totient is φ = 20579328.

The previous prime is 42771343. The next prime is 42771349. The reversal of 42771346 is 64317724.

It is an interprime number because it is at equal distance from previous prime (42771343) and next prime (42771349).

It can be written as a sum of positive squares in 4 ways, for example, as 27678121 + 15093225 = 5261^2 + 3885^2 .

It is not an unprimeable number, because it can be changed into a prime (42771341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19186 + ... + 21298.

Almost surely, 2^42771346 is an apocalyptic number.

42771346 is a deficient number, since it is larger than the sum of its proper divisors (23819654).

42771346 is a wasteful number, since it uses less digits than its factorization.

42771346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493.

The product of its digits is 28224, while the sum is 34.

The square root of 42771346 is about 6539.9805810109. The cubic root of 42771346 is about 349.7177206988.

The spelling of 42771346 in words is "forty-two million, seven hundred seventy-one thousand, three hundred forty-six".