42850173 has 8 divisors (see below), whose sum is σ = 59617728. Its totient is φ = 27324704.

The previous prime is 42850169. The next prime is 42850201. The reversal of 42850173 is 37105824.

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 42850173 - 2² = 42850169 is a prime.

It is a super-2 number, since 2×42850173² = 3672274652259858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42850173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42850103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310440 + ... + 310577.

It is an arithmetic number, because the mean of its divisors is an integer number (7452216).

Almost surely, 2^42850173 is an apocalyptic number.

It is an amenable number.

42850173 is a deficient number, since it is larger than the sum of its proper divisors (16767555).

42850173 is a wasteful number, since it uses less digits than its factorization.

42850173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621043.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 42850173 is about 6546.0043538024. The cubic root of 42850173 is about 349.9324304936.

Adding to 42850173 its reverse (37105824), we get a palindrome (79955997).

The spelling of 42850173 in words is "forty-two million, eight hundred fifty thousand, one hundred seventy-three".