42375684 has 24 divisors (see below), whose sum is σ = 106482880. Its totient is φ = 13038624.

The previous prime is 42375653. The next prime is 42375689. The reversal of 42375684 is 48657324.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (42375689) 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, 135664 + ... + 135975.

Almost surely, 2^42375684 is an apocalyptic number.

It is an amenable number.

42375684 is an abundant number, since it is smaller than the sum of its proper divisors (64107196).

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

42375684 is a wasteful number, since it uses less digits than its factorization.

42375684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271659 (or 271657 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 42375684 is about 6509.6608206572. The cubic root of 42375684 is about 348.6360082737.

The spelling of 42375684 in words is "forty-two million, three hundred seventy-five thousand, six hundred eighty-four".