42717683 has 2 divisors, whose sum is σ = 42717684. Its totient is φ = 42717682.

The previous prime is 42717671. The next prime is 42717691. The reversal of 42717683 is 38671724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42717683 is a prime.

It is not a weakly prime, because it can be changed into another prime (42717083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21358841 + 21358842.

It is an arithmetic number, because the mean of its divisors is an integer number (21358842).

Almost surely, 2^42717683 is an apocalyptic number.

42717683 is a deficient number, since it is larger than the sum of its proper divisors (1).

42717683 is an equidigital number, since it uses as much as digits as its factorization.

42717683 is an odious number, because the sum of its binary digits is odd.

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

The square root of 42717683 is about 6535.8766053223. The cubic root of 42717683 is about 349.5714018982.

The spelling of 42717683 in words is "forty-two million, seven hundred seventeen thousand, six hundred eighty-three".