42027172 has 36 divisors (see below), whose sum is σ = 82047168. Its totient is φ = 18818800.

The previous prime is 42027169. The next prime is 42027197. The reversal of 42027172 is 27172024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33753 + ... + 34975.

It is an arithmetic number, because the mean of its divisors is an integer number (2279088).

Almost surely, 2^42027172 is an apocalyptic number.

It is an amenable number.

42027172 is a deficient number, since it is larger than the sum of its proper divisors (40019996).

42027172 is a wasteful number, since it uses less digits than its factorization.

42027172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 42027172 is about 6482.8367247679. The cubic root of 42027172 is about 347.6776091196.

Adding to 42027172 its reverse (27172024), we get a palindrome (69199196).

The spelling of 42027172 in words is "forty-two million, twenty-seven thousand, one hundred seventy-two".