42702617 has 4 divisors (see below), whose sum is σ = 42726096. Its totient is φ = 42679140.

The previous prime is 42702571. The next prime is 42702631. The reversal of 42702617 is 71620724.

42702617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42702617 - 2⁶ = 42702553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42702617.

It is not an unprimeable number, because it can be changed into a prime (42702637) 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 3 ways as a sum of consecutive naturals, for example, 8759 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (10681524).

Almost surely, 2^42702617 is an apocalyptic number.

It is an amenable number.

42702617 is a deficient number, since it is larger than the sum of its proper divisors (23479).

42702617 is a wasteful number, since it uses less digits than its factorization.

42702617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23478.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 42702617 is about 6534.7239421417. The cubic root of 42702617 is about 349.5303005583.

The spelling of 42702617 in words is "forty-two million, seven hundred two thousand, six hundred seventeen".