42750205 has 8 divisors (see below), whose sum is σ = 53069400. Its totient is φ = 33020736.

The previous prime is 42750181. The next prime is 42750233. The reversal of 42750205 is 50205724.

42750205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4761 + 42745444 = 69^2 + 6538^2 .

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 42750205 - 2¹⁷ = 42619133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42750205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147270 + ... + 147559.

It is an arithmetic number, because the mean of its divisors is an integer number (6633675).

Almost surely, 2^42750205 is an apocalyptic number.

It is an amenable number.

42750205 is a deficient number, since it is larger than the sum of its proper divisors (10319195).

42750205 is a wasteful number, since it uses less digits than its factorization.

42750205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294863.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 42750205 is about 6538.3640920340. The cubic root of 42750205 is about 349.6600917681.

Adding to 42750205 its reverse (50205724), we get a palindrome (92955929).

The spelling of 42750205 in words is "forty-two million, seven hundred fifty thousand, two hundred five".