42627842 has 8 divisors (see below), whose sum is σ = 63976716. Its totient is φ = 21302272.

The previous prime is 42627833. The next prime is 42627863. The reversal of 42627842 is 24872624.

It is a happy number.

It is a Cunningham number, because it is equal to 6529²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 42627841 + 1 = 6529^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 9234.

Almost surely, 2^42627842 is an apocalyptic number.

42627842 is a deficient number, since it is larger than the sum of its proper divisors (21348874).

42627842 is a wasteful number, since it uses less digits than its factorization.

42627842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11652.

The product of its digits is 43008, while the sum is 35.

The square root of 42627842 is about 6529.0000765814. Note that the first 4 decimals coincide. The cubic root of 42627842 is about 349.3261647601.

The spelling of 42627842 in words is "forty-two million, six hundred twenty-seven thousand, eight hundred forty-two".