42335530 has 8 divisors (see below), whose sum is σ = 76203972. Its totient is φ = 16934208.

The previous prime is 42335507. The next prime is 42335533. The reversal of 42335530 is 3553324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38675961 + 3659569 = 6219^2 + 1913^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 42335495 and 42335504.

It is not an unprimeable number, because it can be changed into a prime (42335533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2116767 + ... + 2116786.

Almost surely, 2^42335530 is an apocalyptic number.

42335530 is a deficient number, since it is larger than the sum of its proper divisors (33868442).

42335530 is a wasteful number, since it uses less digits than its factorization.

42335530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233560.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 42335530 is about 6506.5759044216. The cubic root of 42335530 is about 348.5258542654.

Adding to 42335530 its reverse (3553324), we get a palindrome (45888854).

It can be divided in two parts, 423 and 35530, that added together give a palindrome (35953).

The spelling of 42335530 in words is "forty-two million, three hundred thirty-five thousand, five hundred thirty".