42535170 has 96 divisors (see below), whose sum is σ = 117374400. Its totient is φ = 10668672.

The previous prime is 42535169. The next prime is 42535187. The reversal of 42535170 is 7153524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112041 + ... + 112419.

It is an arithmetic number, because the mean of its divisors is an integer number (1222650).

Almost surely, 2^42535170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42535170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58687200).

42535170 is an abundant number, since it is smaller than the sum of its proper divisors (74839230).

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

42535170 is a wasteful number, since it uses less digits than its factorization.

42535170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 42535170 is about 6521.8992632515. The cubic root of 42535170 is about 349.0728386050.

Adding to 42535170 its reverse (7153524), we get a palindrome (49688694).

The spelling of 42535170 in words is "forty-two million, five hundred thirty-five thousand, one hundred seventy".