8047172 has 18 divisors (see below), whose sum is σ = 16382142. Its totient is φ = 3448704.

The previous prime is 8047159. The next prime is 8047189. The reversal of 8047172 is 2717408.

It can be written as a sum of positive squares in only one way, i.e., 5271616 + 2775556 = 2296^2 + 1666^2 .

It is a super-3 number, since 3×8047172³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20333 + ... + 20724.

It is an arithmetic number, because the mean of its divisors is an integer number (910119).

Almost surely, 2^8047172 is an apocalyptic number.

It is an amenable number.

8047172 is an abundant number, since it is smaller than the sum of its proper divisors (8334970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8047172 is a wasteful number, since it uses less digits than its factorization.

8047172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41075 (or 41066 counting only the distinct ones).

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

The square root of 8047172 is about 2836.7537785293. The cubic root of 8047172 is about 200.3923298831.

The spelling of 8047172 in words is "eight million, forty-seven thousand, one hundred seventy-two".