42707071 has 6 divisors (see below), whose sum is σ = 46942616. Its totient is φ = 38824500.

The previous prime is 42707047. The next prime is 42707101. The reversal of 42707071 is 17070724.

It is not a de Polignac number, because 42707071 - 2⁷ = 42706943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707011) 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, 176355 + ... + 176596.

Almost surely, 2^42707071 is an apocalyptic number.

42707071 is a deficient number, since it is larger than the sum of its proper divisors (4235545).

42707071 is a wasteful number, since it uses less digits than its factorization.

42707071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352973 (or 352962 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 42707071 is about 6535.0647280651. The cubic root of 42707071 is about 349.5424524586.

Adding to 42707071 its reverse (17070724), we get a palindrome (59777795).

The spelling of 42707071 in words is "forty-two million, seven hundred seven thousand, seventy-one".