42771683 has 2 divisors, whose sum is σ = 42771684. Its totient is φ = 42771682.

The previous prime is 42771671. The next prime is 42771719. The reversal of 42771683 is 38617724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42771683 - 2¹² = 42767587 is a prime.

It is not a weakly prime, because it can be changed into another prime (42771653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21385841 + 21385842.

It is an arithmetic number, because the mean of its divisors is an integer number (21385842).

Almost surely, 2^42771683 is an apocalyptic number.

42771683 is a deficient number, since it is larger than the sum of its proper divisors (1).

42771683 is an equidigital number, since it uses as much as digits as its factorization.

42771683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 42771683 is about 6540.0063455627. The cubic root of 42771683 is about 349.7186391841.

The spelling of 42771683 in words is "forty-two million, seven hundred seventy-one thousand, six hundred eighty-three".