42131474 has 96 divisors (see below), whose sum is σ = 90123840. Its totient is φ = 14636160.

The previous prime is 42131431. The next prime is 42131483. The reversal of 42131474 is 47413124.

It is a super-2 number, since 2×42131474² = 3550122202825352, which contains 22 as substring.

Its product of digits (2688) is a multiple of the sum of its prime divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2217437 + ... + 2217455.

It is an arithmetic number, because the mean of its divisors is an integer number (938790).

Almost surely, 2^42131474 is an apocalyptic number.

42131474 is an abundant number, since it is smaller than the sum of its proper divisors (47992366).

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

42131474 is a wasteful number, since it uses less digits than its factorization.

42131474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 56 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 42131474 is about 6490.8762120379. The cubic root of 42131474 is about 347.9649907530.

Adding to 42131474 its reverse (47413124), we get a palindrome (89544598).

The spelling of 42131474 in words is "forty-two million, one hundred thirty-one thousand, four hundred seventy-four".