42427170 has 48 divisors (see below), whose sum is σ = 110635200. Its totient is φ = 11280672.

The previous prime is 42427163. The next prime is 42427183. The reversal of 42427170 is 7172424.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 53517 + ... + 54303.

It is an arithmetic number, because the mean of its divisors is an integer number (2304900).

Almost surely, 2^42427170 is an apocalyptic number.

42427170 is an abundant number, since it is smaller than the sum of its proper divisors (68208030).

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

42427170 is a wasteful number, since it uses less digits than its factorization.

42427170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 42427170 is about 6513.6142041113. The cubic root of 42427170 is about 348.7771474609. Note that the first 3 decimals are identical.

Adding to 42427170 its reverse (7172424), we get a palindrome (49599594).

The spelling of 42427170 in words is "forty-two million, four hundred twenty-seven thousand, one hundred seventy".