8717042 has 4 divisors (see below), whose sum is σ = 13075566. Its totient is φ = 4358520.

The previous prime is 8717041. The next prime is 8717113. The reversal of 8717042 is 2407178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5755201 + 2961841 = 2399^2 + 1721^2 .

It is a super-3 number, since 3×8717042³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8716996 and 8717014.

It is not an unprimeable number, because it can be changed into a prime (8717041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2179259 + ... + 2179262.

Almost surely, 2^8717042 is an apocalyptic number.

8717042 is a deficient number, since it is larger than the sum of its proper divisors (4358524).

8717042 is a wasteful number, since it uses less digits than its factorization.

8717042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358523.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 8717042 is about 2952.4637169659. The cubic root of 8717042 is about 205.8052169557.

The spelling of 8717042 in words is "eight million, seven hundred seventeen thousand, forty-two".