8472132 has 18 divisors (see below), whose sum is σ = 21415758. Its totient is φ = 2824032.

The previous prime is 8472127. The next prime is 8472133. The reversal of 8472132 is 2312748.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 553536 = 2814^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 8472096 and 8472105.

It is not an unprimeable number, because it can be changed into a prime (8472133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117633 + ... + 117704.

Almost surely, 2^8472132 is an apocalyptic number.

It is an amenable number.

8472132 is an abundant number, since it is smaller than the sum of its proper divisors (12943626).

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

8472132 is a wasteful number, since it uses less digits than its factorization.

8472132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235347 (or 235342 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 8472132 is about 2910.6927010593. The cubic root of 8472132 is about 203.8594764649.

The spelling of 8472132 in words is "eight million, four hundred seventy-two thousand, one hundred thirty-two".