32470272 has 108 divisors (see below), whose sum is σ = 99246420. Its totient is φ = 10174464.

The previous prime is 32470271. The next prime is 32470309. The reversal of 32470272 is 27207423.

32470272 is a `hidden beast` number, since 324 + 70 + 272 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 10342656 = 4704^2 + 3216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32470271) by changing a digit.

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, 38754 + ... + 39582.

Almost surely, 2^32470272 is an apocalyptic number.

32470272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32470272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49623210).

32470272 is an abundant number, since it is smaller than the sum of its proper divisors (66776148).

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

32470272 is a wasteful number, since it uses less digits than its factorization.

32470272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 32470272 is about 5698.2692109096. The cubic root of 32470272 is about 319.0278831639.

Adding to 32470272 its reverse (27207423), we get a palindrome (59677695).

The spelling of 32470272 in words is "thirty-two million, four hundred seventy thousand, two hundred seventy-two".