42633805 has 8 divisors (see below), whose sum is σ = 52543512. Its totient is φ = 33185088.

The previous prime is 42633803. The next prime is 42633823. The reversal of 42633805 is 50833624.

It can be written as a sum of positive squares in 4 ways, for example, as 20675209 + 21958596 = 4547^2 + 4686^2 .

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 42633805 - 2¹ = 42633803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42633803) 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, 115042 + ... + 115411.

It is an arithmetic number, because the mean of its divisors is an integer number (6567939).

Almost surely, 2^42633805 is an apocalyptic number.

It is an amenable number.

42633805 is a deficient number, since it is larger than the sum of its proper divisors (9909707).

42633805 is a wasteful number, since it uses less digits than its factorization.

42633805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230495.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 42633805 is about 6529.4567155315. The cubic root of 42633805 is about 349.3424525093.

The spelling of 42633805 in words is "forty-two million, six hundred thirty-three thousand, eight hundred five".