32081472 has 42 divisors (see below), whose sum is σ = 91957398. Its totient is φ = 10693632.

The previous prime is 32081459. The next prime is 32081473. The reversal of 32081472 is 27418023.

It can be written as a sum of positive squares in only one way, i.e., 32080896 + 576 = 5664^2 + 24^2 .

It is not an unprimeable number, because it can be changed into a prime (32081473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27273 + ... + 28424.

Almost surely, 2^32081472 is an apocalyptic number.

32081472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32081472 is an abundant number, since it is smaller than the sum of its proper divisors (59875926).

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

32081472 is a wasteful number, since it uses less digits than its factorization.

32081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55715 (or 55702 counting only the distinct ones).

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

The square root of 32081472 is about 5664.0508472294. The cubic root of 32081472 is about 317.7494169280.

Adding to 32081472 its reverse (27418023), we get a palindrome (59499495).

The spelling of 32081472 in words is "thirty-two million, eighty-one thousand, four hundred seventy-two".