42113712 has 40 divisors (see below), whose sum is σ = 109278720. Its totient is φ = 13975360.

The previous prime is 42113707. The next prime is 42113719. The reversal of 42113712 is 21731124.

It is not an unprimeable number, because it can be changed into a prime (42113719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9637 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (2731968).

Almost surely, 2^42113712 is an apocalyptic number.

It is an amenable number.

42113712 is an abundant number, since it is smaller than the sum of its proper divisors (67165008).

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

42113712 is a wasteful number, since it uses less digits than its factorization.

42113712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921 (or 3915 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 42113712 is about 6489.5078395823. The cubic root of 42113712 is about 347.9160849326.

Adding to 42113712 its reverse (21731124), we get a palindrome (63844836).

The spelling of 42113712 in words is "forty-two million, one hundred thirteen thousand, seven hundred twelve".