42142074 has 16 divisors (see below), whose sum is σ = 90767712. Its totient is φ = 12966768.

The previous prime is 42142073. The next prime is 42142081. The reversal of 42142074 is 47024124.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42142073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270064 + ... + 270219.

It is an arithmetic number, because the mean of its divisors is an integer number (5672982).

Almost surely, 2^42142074 is an apocalyptic number.

42142074 is an abundant number, since it is smaller than the sum of its proper divisors (48625638).

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

42142074 is a wasteful number, since it uses less digits than its factorization.

42142074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540301.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 42142074 is about 6491.6926914326. The cubic root of 42142074 is about 347.9941702022.

Adding to 42142074 its reverse (47024124), we get a palindrome (89166198).

The spelling of 42142074 in words is "forty-two million, one hundred forty-two thousand, seventy-four".