42605606 has 8 divisors (see below), whose sum is σ = 64243584. Its totient is φ = 21191080.

The previous prime is 42605603. The next prime is 42605623. The reversal of 42605606 is 60650624.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42605603) 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, 55385 + ... + 56148.

It is an arithmetic number, because the mean of its divisors is an integer number (8030448).

Almost surely, 2^42605606 is an apocalyptic number.

42605606 is a deficient number, since it is larger than the sum of its proper divisors (21637978).

42605606 is a wasteful number, since it uses less digits than its factorization.

42605606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111726.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 42605606 is about 6527.2969903322. The cubic root of 42605606 is about 349.2654144207.

The spelling of 42605606 in words is "forty-two million, six hundred five thousand, six hundred six".