8667172 has 12 divisors (see below), whose sum is σ = 15690780. Its totient is φ = 4184096.

The previous prime is 8667167. The next prime is 8667179. The reversal of 8667172 is 2717668.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4562496 + 4104676 = 2136^2 + 2026^2 .

It is not an unprimeable number, because it can be changed into a prime (8667179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37243 + ... + 37474.

It is an arithmetic number, because the mean of its divisors is an integer number (1307565).

Almost surely, 2^8667172 is an apocalyptic number.

It is an amenable number.

8667172 is a deficient number, since it is larger than the sum of its proper divisors (7023608).

8667172 is a wasteful number, since it uses less digits than its factorization.

8667172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74750 (or 74748 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 8667172 is about 2944.0061141241. The cubic root of 8667172 is about 205.4119971363.

The spelling of 8667172 in words is "eight million, six hundred sixty-seven thousand, one hundred seventy-two".