42336065 has 4 divisors (see below), whose sum is σ = 50803284. Its totient is φ = 33868848.

The previous prime is 42336043. The next prime is 42336071. The reversal of 42336065 is 56063324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9480241 + 32855824 = 3079^2 + 5732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42336065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4233602 + ... + 4233611.

It is an arithmetic number, because the mean of its divisors is an integer number (12700821).

Almost surely, 2^42336065 is an apocalyptic number.

It is an amenable number.

42336065 is a deficient number, since it is larger than the sum of its proper divisors (8467219).

42336065 is an equidigital number, since it uses as much as digits as its factorization.

42336065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467218.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 42336065 is about 6506.6170165455. The cubic root of 42336065 is about 348.5273223825.

Adding to 42336065 its reverse (56063324), we get a palindrome (98399389).

The spelling of 42336065 in words is "forty-two million, three hundred thirty-six thousand, sixty-five".