42659617 has 32 divisors (see below), whose sum is σ = 60318720. Its totient is φ = 29056320.

The previous prime is 42659587. The next prime is 42659621. The reversal of 42659617 is 71695624.

42659617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42659617 - 2¹⁹ = 42135329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42659617.

It is not an unprimeable number, because it can be changed into a prime (42659017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17898 + ... + 20140.

It is an arithmetic number, because the mean of its divisors is an integer number (1884960).

Almost surely, 2^42659617 is an apocalyptic number.

It is an amenable number.

42659617 is a deficient number, since it is larger than the sum of its proper divisors (17659103).

42659617 is a wasteful number, since it uses less digits than its factorization.

42659617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 90720, while the sum is 40.

The square root of 42659617 is about 6531.4329974363. The cubic root of 42659617 is about 349.4129396749.

The spelling of 42659617 in words is "forty-two million, six hundred fifty-nine thousand, six hundred seventeen".