4472172 has 72 divisors (see below), whose sum is σ = 12108096. Its totient is φ = 1442448.

The previous prime is 4472159. The next prime is 4472197. The reversal of 4472172 is 2712744.

It is a happy number.

4472172 is a `hidden beast` number, since 447 + 217 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 41743 + ... + 41849.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

Almost surely, 2^4472172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4472172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6054048).

4472172 is an abundant number, since it is smaller than the sum of its proper divisors (7635924).

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

4472172 is a wasteful number, since it uses less digits than its factorization.

4472172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 4472172 is about 2114.7510491781. The cubic root of 4472172 is about 164.7553398794.

The spelling of 4472172 in words is "four million, four hundred seventy-two thousand, one hundred seventy-two".