42418027 has 4 divisors (see below), whose sum is σ = 43015536. Its totient is φ = 41820520.

The previous prime is 42418007. The next prime is 42418031. The reversal of 42418027 is 72081424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42418027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42417986 and 42418004.

It is not an unprimeable number, because it can be changed into a prime (42418007) 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, 298648 + ... + 298789.

It is an arithmetic number, because the mean of its divisors is an integer number (10753884).

Almost surely, 2^42418027 is an apocalyptic number.

42418027 is a deficient number, since it is larger than the sum of its proper divisors (597509).

42418027 is an equidigital number, since it uses as much as digits as its factorization.

42418027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597508.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 42418027 is about 6512.9123285977. The cubic root of 42418027 is about 348.7520919870.

The spelling of 42418027 in words is "forty-two million, four hundred eighteen thousand, twenty-seven".