42771068 has 18 divisors (see below), whose sum is σ = 76643784. Its totient is φ = 20884584.

The previous prime is 42771067. The next prime is 42771097. The reversal of 42771068 is 86017724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42771067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4505 + ... + 10287.

It is an arithmetic number, because the mean of its divisors is an integer number (4257988).

Almost surely, 2^42771068 is an apocalyptic number.

It is an amenable number.

42771068 is a deficient number, since it is larger than the sum of its proper divisors (33872716).

42771068 is a wasteful number, since it uses less digits than its factorization.

42771068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 42771068 is about 6539.9593270907. The cubic root of 42771068 is about 349.7169630129.

The spelling of 42771068 in words is "forty-two million, seven hundred seventy-one thousand, sixty-eight".