42170713 has 16 divisors (see below), whose sum is σ = 47320336. Its totient is φ = 37324800.

The previous prime is 42170701. The next prime is 42170729. The reversal of 42170713 is 31707124.

It is a happy number.

42170713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3829849 + 38340864 = 1957^2 + 6192^2 .

It is a cyclic number.

It is not a de Polignac number, because 42170713 - 2²⁵ = 8616281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42170773) 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 15 ways as a sum of consecutive naturals, for example, 34513 + ... + 35713.

It is an arithmetic number, because the mean of its divisors is an integer number (2957521).

Almost surely, 2^42170713 is an apocalyptic number.

It is an amenable number.

42170713 is a deficient number, since it is larger than the sum of its proper divisors (5149623).

42170713 is a wasteful number, since it uses less digits than its factorization.

42170713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 42170713 is about 6493.8981359427. The cubic root of 42170713 is about 348.0729825571.

Adding to 42170713 its reverse (31707124), we get a palindrome (73877837).

The spelling of 42170713 in words is "forty-two million, one hundred seventy thousand, seven hundred thirteen".