42771716 has 24 divisors (see below), whose sum is σ = 80966424. Its totient is φ = 19653120.

The previous prime is 42771683. The next prime is 42771719. The reversal of 42771716 is 61717724.

It can be written as a sum of positive squares in 4 ways, for example, as 13719616 + 29052100 = 3704^2 + 5390^2 .

It is not an unprimeable number, because it can be changed into a prime (42771719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10826 + ... + 14238.

It is an arithmetic number, because the mean of its divisors is an integer number (3373601).

Almost surely, 2^42771716 is an apocalyptic number.

It is an amenable number.

42771716 is a deficient number, since it is larger than the sum of its proper divisors (38194708).

42771716 is a wasteful number, since it uses less digits than its factorization.

42771716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3669 counting only the distinct ones).

The product of its digits is 16464, while the sum is 35.

The square root of 42771716 is about 6540.0088684955. The cubic root of 42771716 is about 349.7187291246.

The spelling of 42771716 in words is "forty-two million, seven hundred seventy-one thousand, seven hundred sixteen".