42673842 has 24 divisors (see below), whose sum is σ = 97899516. Its totient is φ = 13387776.

The previous prime is 42673801. The next prime is 42673843. The reversal of 42673842 is 24837624.

It can be written as a sum of positive squares in 2 ways, for example, as 42653961 + 19881 = 6531^2 + 141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42673797 and 42673806.

It is not an unprimeable number, because it can be changed into a prime (42673843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69423 + ... + 70034.

Almost surely, 2^42673842 is an apocalyptic number.

42673842 is an abundant number, since it is smaller than the sum of its proper divisors (55225674).

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

42673842 is a wasteful number, since it uses less digits than its factorization.

42673842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139482 (or 139479 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42673842 is about 6532.5218713756. The cubic root of 42673842 is about 349.4517730185.

The spelling of 42673842 in words is "forty-two million, six hundred seventy-three thousand, eight hundred forty-two".