42113684 has 24 divisors (see below), whose sum is σ = 78022560. Its totient is φ = 19855584.

The previous prime is 42113681. The next prime is 42113693. The reversal of 42113684 is 48631124.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42113681) 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, 767 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (3250940).

Almost surely, 2^42113684 is an apocalyptic number.

It is an amenable number.

42113684 is a deficient number, since it is larger than the sum of its proper divisors (35908876).

42113684 is a wasteful number, since it uses less digits than its factorization.

42113684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519 (or 8517 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 42113684 is about 6489.5056822535. The cubic root of 42113684 is about 347.9160078266.

The spelling of 42113684 in words is "forty-two million, one hundred thirteen thousand, six hundred eighty-four".