42027173 has 8 divisors (see below), whose sum is σ = 43333080. Its totient is φ = 40734720.

The previous prime is 42027169. The next prime is 42027197. The reversal of 42027173 is 37172024.

It can be written as a sum of positive squares in 4 ways, for example, as 2362369 + 39664804 = 1537^2 + 6298^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42027173 - 2² = 42027169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42027113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (5416635).

Almost surely, 2^42027173 is an apocalyptic number.

It is an amenable number.

42027173 is a deficient number, since it is larger than the sum of its proper divisors (1305907).

42027173 is a wasteful number, since it uses less digits than its factorization.

42027173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 42027173 is about 6482.8368018947. The cubic root of 42027173 is about 347.6776118771.

Adding to 42027173 its reverse (37172024), we get a palindrome (79199197).

The spelling of 42027173 in words is "forty-two million, twenty-seven thousand, one hundred seventy-three".