42050172 has 24 divisors (see below), whose sum is σ = 98246736. Its totient is φ = 13998208.

The previous prime is 42050171. The next prime is 42050189. The reversal of 42050172 is 27105024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9598 + ... + 13274.

It is an arithmetic number, because the mean of its divisors is an integer number (4093614).

Almost surely, 2^42050172 is an apocalyptic number.

It is an amenable number.

42050172 is an abundant number, since it is smaller than the sum of its proper divisors (56196564).

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

42050172 is a wasteful number, since it uses less digits than its factorization.

42050172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 42050172 is about 6484.6103969321. The cubic root of 42050172 is about 347.7410214813.

Adding to 42050172 its reverse (27105024), we get a palindrome (69155196).

The spelling of 42050172 in words is "forty-two million, fifty thousand, one hundred seventy-two".