42735205 has 8 divisors (see below), whose sum is σ = 52936704. Its totient is φ = 33085200.

The previous prime is 42735191. The next prime is 42735257. The reversal of 42735205 is 50253724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42735205 - 2⁹ = 42734693 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 137701 + ... + 138010.

It is an arithmetic number, because the mean of its divisors is an integer number (6617088).

Almost surely, 2^42735205 is an apocalyptic number.

It is an amenable number.

42735205 is a deficient number, since it is larger than the sum of its proper divisors (10201499).

42735205 is a wasteful number, since it uses less digits than its factorization.

42735205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275747.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 42735205 is about 6537.2169154771. The cubic root of 42735205 is about 349.6191912630.

Adding to 42735205 its reverse (50253724), we get a palindrome (92988929).

The spelling of 42735205 in words is "forty-two million, seven hundred thirty-five thousand, two hundred five".