42031374 has 32 divisors (see below), whose sum is σ = 104806656. Its totient is φ = 10917120.

The previous prime is 42031369. The next prime is 42031391. The reversal of 42031374 is 47313024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45027 + ... + 45950.

It is an arithmetic number, because the mean of its divisors is an integer number (3275208).

Almost surely, 2^42031374 is an apocalyptic number.

42031374 is an abundant number, since it is smaller than the sum of its proper divisors (62775282).

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

42031374 is a wasteful number, since it uses less digits than its factorization.

42031374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91000.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 42031374 is about 6483.1608031885. The cubic root of 42031374 is about 347.6891960093.

Adding to 42031374 its reverse (47313024), we get a palindrome (89344398).

The spelling of 42031374 in words is "forty-two million, thirty-one thousand, three hundred seventy-four".