42305765 has 8 divisors (see below), whose sum is σ = 51947808. Its totient is φ = 33057360.

The previous prime is 42305749. The next prime is 42305803. The reversal of 42305765 is 56750324.

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

It is not a de Polignac number, because 42305765 - 2⁴ = 42305749 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, 98171 + ... + 98600.

It is an arithmetic number, because the mean of its divisors is an integer number (6493476).

Almost surely, 2^42305765 is an apocalyptic number.

It is an amenable number.

42305765 is a deficient number, since it is larger than the sum of its proper divisors (9642043).

42305765 is a wasteful number, since it uses less digits than its factorization.

42305765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196819.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42305765 is about 6504.2882008718. The cubic root of 42305765 is about 348.4441553221. Note that the first 3 decimals are identical.

The spelling of 42305765 in words is "forty-two million, three hundred five thousand, seven hundred sixty-five".