42871064 has 16 divisors (see below), whose sum is σ = 81900720. Its totient is φ = 21030880.

The previous prime is 42871063. The next prime is 42871069. The reversal of 42871064 is 46017824.

It is a super-3 number, since 3×42871064³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42871064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42871063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50132 + ... + 50979.

It is an arithmetic number, because the mean of its divisors is an integer number (5118795).

Almost surely, 2^42871064 is an apocalyptic number.

It is an amenable number.

42871064 is a deficient number, since it is larger than the sum of its proper divisors (39029656).

42871064 is a wasteful number, since it uses less digits than its factorization.

42871064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101170 (or 101166 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 42871064 is about 6547.5998655996. The cubic root of 42871064 is about 349.9892894682.

Adding to 42871064 its reverse (46017824), we get a palindrome (88888888).

The spelling of 42871064 in words is "forty-two million, eight hundred seventy-one thousand, sixty-four".