8081172 has 36 divisors (see below), whose sum is σ = 22285536. Its totient is φ = 2448720.

The previous prime is 8081153. The next prime is 8081197. The reversal of 8081172 is 2711808.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9808 + ... + 10599.

Almost surely, 2^8081172 is an apocalyptic number.

It is an amenable number.

8081172 is an abundant number, since it is smaller than the sum of its proper divisors (14204364).

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

8081172 is a wasteful number, since it uses less digits than its factorization.

8081172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428 (or 20423 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 8081172 is about 2842.7402273159. The cubic root of 8081172 is about 200.6741583327.

The spelling of 8081172 in words is "eight million, eighty-one thousand, one hundred seventy-two".