42071850 has 36 divisors (see below), whose sum is σ = 113034246. Its totient is φ = 11219040.

The previous prime is 42071839. The next prime is 42071873. The reversal of 42071850 is 5817024.

42071850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 18481401 + 23590449 = 4299^2 + 4857^2 .

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 in 17 ways as a sum of consecutive naturals, for example, 46297 + ... + 47196.

Almost surely, 2^42071850 is an apocalyptic number.

42071850 is an abundant number, since it is smaller than the sum of its proper divisors (70962396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42071850 is a wasteful number, since it uses less digits than its factorization.

42071850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93511 (or 93503 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 42071850 is about 6486.2816775099. The cubic root of 42071850 is about 347.8007678468.

Adding to 42071850 its reverse (5817024), we get a palindrome (47888874).

The spelling of 42071850 in words is "forty-two million, seventy-one thousand, eight hundred fifty".