42027075 has 36 divisors (see below), whose sum is σ = 75834928. Its totient is φ = 22248000.

The previous prime is 42027059. The next prime is 42027113. The reversal of 42027075 is 57072024.

It is not a de Polignac number, because 42027075 - 2⁴ = 42027059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33357 + ... + 34593.

Almost surely, 2^42027075 is an apocalyptic number.

42027075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42027075 is a deficient number, since it is larger than the sum of its proper divisors (33807853).

42027075 is a wasteful number, since it uses less digits than its factorization.

42027075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 42027075 is about 6482.8292434708. The cubic root of 42027075 is about 347.6773416358.

Adding to 42027075 its reverse (57072024), we get a palindrome (99099099).

It can be divided in two parts, 420 and 27075, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 42027075 in words is "forty-two million, twenty-seven thousand, seventy-five".