42027738 has 8 divisors (see below), whose sum is σ = 84055488. Its totient is φ = 14009244.

The previous prime is 42027731. The next prime is 42027743. The reversal of 42027738 is 83772024.

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

42027738 is an admirable number.

It is a super-3 number, since 3×42027738³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 42027699 and 42027708.

It is not an unprimeable number, because it can be changed into a prime (42027731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3502306 + ... + 3502317.

It is an arithmetic number, because the mean of its divisors is an integer number (10506936).

Almost surely, 2^42027738 is an apocalyptic number.

42027738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42027738 is a wasteful number, since it uses less digits than its factorization.

42027738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004628.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 42027738 is about 6482.8803783504. The cubic root of 42027738 is about 347.6791698927.

The spelling of 42027738 in words is "forty-two million, twenty-seven thousand, seven hundred thirty-eight".