42537918 has 16 divisors (see below), whose sum is σ = 85553280. Its totient is φ = 14099736.

The previous prime is 42537917. The next prime is 42537931. The reversal of 42537918 is 81973524.

42537918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42537917) 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 in 7 ways as a sum of consecutive naturals, for example, 18730 + ... + 20877.

It is an arithmetic number, because the mean of its divisors is an integer number (5347080).

Almost surely, 2^42537918 is an apocalyptic number.

42537918 is an abundant number, since it is smaller than the sum of its proper divisors (43015362).

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

42537918 is a wasteful number, since it uses less digits than its factorization.

42537918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39791.

The product of its digits is 60480, while the sum is 39.

The square root of 42537918 is about 6522.1099346760. The cubic root of 42537918 is about 349.0803557687.

The spelling of 42537918 in words is "forty-two million, five hundred thirty-seven thousand, nine hundred eighteen".