42033785 has 8 divisors (see below), whose sum is σ = 50930880. Its totient is φ = 33300144.

The previous prime is 42033781. The next prime is 42033787. The reversal of 42033785 is 58733024.

It is a happy number.

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 42033785 - 2² = 42033781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42033781) 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, 40295 + ... + 41324.

It is an arithmetic number, because the mean of its divisors is an integer number (6366360).

Almost surely, 2^42033785 is an apocalyptic number.

It is an amenable number.

42033785 is a deficient number, since it is larger than the sum of its proper divisors (8897095).

42033785 is a wasteful number, since it uses less digits than its factorization.

42033785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81727.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42033785 is about 6483.3467437736. The cubic root of 42033785 is about 347.6958439213.

The spelling of 42033785 in words is "forty-two million, thirty-three thousand, seven hundred eighty-five".