42718471 has 2 divisors, whose sum is σ = 42718472. Its totient is φ = 42718470.

The previous prime is 42718469. The next prime is 42718519. The reversal of 42718471 is 17481724.

42718471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42718471 - 2¹ = 42718469 is a prime.

It is a super-3 number, since 3×42718471³ (a number of 24 digits) contains 333 as substring.

Together with 42718469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42718451) 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 as a sum of consecutive naturals, namely, 21359235 + 21359236.

It is an arithmetic number, because the mean of its divisors is an integer number (21359236).

Almost surely, 2^42718471 is an apocalyptic number.

42718471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42718471 is an equidigital number, since it uses as much as digits as its factorization.

42718471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 34.

The square root of 42718471 is about 6535.9368877002. The cubic root of 42718471 is about 349.5735513638.

The spelling of 42718471 in words is "forty-two million, seven hundred eighteen thousand, four hundred seventy-one".