42771436 has 12 divisors (see below), whose sum is σ = 74921112. Its totient is φ = 21365408.

The previous prime is 42771419. The next prime is 42771437. The reversal of 42771436 is 63417724.

42771436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42771437) by changing a digit.

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, 291 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (6243426).

Almost surely, 2^42771436 is an apocalyptic number.

It is an amenable number.

42771436 is a deficient number, since it is larger than the sum of its proper divisors (32149676).

42771436 is a wasteful number, since it uses less digits than its factorization.

42771436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160 (or 10158 counting only the distinct ones).

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

The square root of 42771436 is about 6539.9874617617. The cubic root of 42771436 is about 349.7179659921.

The spelling of 42771436 in words is "forty-two million, seven hundred seventy-one thousand, four hundred thirty-six".