42380027 has 4 divisors (see below), whose sum is σ = 42713856. Its totient is φ = 42046200.

The previous prime is 42380011. The next prime is 42380029. The reversal of 42380027 is 72008324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42380027 - 2⁴ = 42380011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42379978 and 42380005.

It is not an unprimeable number, because it can be changed into a prime (42380029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166724 + ... + 166977.

It is an arithmetic number, because the mean of its divisors is an integer number (10678464).

Almost surely, 2^42380027 is an apocalyptic number.

42380027 is a deficient number, since it is larger than the sum of its proper divisors (333829).

42380027 is a wasteful number, since it uses less digits than its factorization.

42380027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333828.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42380027 is about 6509.9943932388. The cubic root of 42380027 is about 348.6479182050.

The spelling of 42380027 in words is "forty-two million, three hundred eighty thousand, twenty-seven".