42065842 has 16 divisors (see below), whose sum is σ = 77660352. Its totient is φ = 16641360.

The previous prime is 42065839. The next prime is 42065851. The reversal of 42065842 is 24856024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115384 + ... + 115747.

It is an arithmetic number, because the mean of its divisors is an integer number (4853772).

Almost surely, 2^42065842 is an apocalyptic number.

42065842 is a deficient number, since it is larger than the sum of its proper divisors (35594510).

42065842 is a wasteful number, since it uses less digits than its factorization.

42065842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231153.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 42065842 is about 6485.8185296846. The cubic root of 42065842 is about 347.7842113568.

The spelling of 42065842 in words is "forty-two million, sixty-five thousand, eight hundred forty-two".