42871736 has 8 divisors (see below), whose sum is σ = 80384520. Its totient is φ = 21435864.

The previous prime is 42871721. The next prime is 42871757. The reversal of 42871736 is 63717824.

42871736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42871736.

It is a congruent number.

It is an unprimeable number.

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, 2679476 + ... + 2679491.

It is an arithmetic number, because the mean of its divisors is an integer number (10048065).

Almost surely, 2^42871736 is an apocalyptic number.

It is an amenable number.

42871736 is a deficient number, since it is larger than the sum of its proper divisors (37512784).

42871736 is a wasteful number, since it uses less digits than its factorization.

42871736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358973 (or 5358969 counting only the distinct ones).

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

The square root of 42871736 is about 6547.6511819125. The cubic root of 42871736 is about 349.9911181420.

The spelling of 42871736 in words is "forty-two million, eight hundred seventy-one thousand, seven hundred thirty-six".