42106617 has 24 divisors (see below), whose sum is σ = 69889664. Its totient is φ = 23929344.

The previous prime is 42106613. The next prime is 42106657. The reversal of 42106617 is 71660124.

42106617 is a `hidden beast` number, since 42 + 1 + 0 + 6 + 617 = 666.

It is not a de Polignac number, because 42106617 - 2² = 42106613 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 (42106613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10428 + ... + 13890.

Almost surely, 2^42106617 is an apocalyptic number.

It is an amenable number.

42106617 is a deficient number, since it is larger than the sum of its proper divisors (27783047).

42106617 is a wasteful number, since it uses less digits than its factorization.

42106617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42106617 is about 6488.9611649323. The cubic root of 42106617 is about 347.8965457442.

The spelling of 42106617 in words is "forty-two million, one hundred six thousand, six hundred seventeen".