32672320 has 28 divisors (see below), whose sum is σ = 77801724. Its totient is φ = 13068800.

The previous prime is 32672291. The next prime is 32672329. The reversal of 32672320 is 2327623.

It can be written as a sum of positive squares in 2 ways, for example, as 5798464 + 26873856 = 2408^2 + 5184^2 .

It is not an unprimeable number, because it can be changed into a prime (32672329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50731 + ... + 51370.

It is an arithmetic number, because the mean of its divisors is an integer number (2778633).

Almost surely, 2^32672320 is an apocalyptic number.

It is an amenable number.

32672320 is an abundant number, since it is smaller than the sum of its proper divisors (45129404).

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

32672320 is a wasteful number, since it uses less digits than its factorization.

32672320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102118 (or 102108 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 32672320 is about 5715.9706087418. The cubic root of 32672320 is about 319.6882380293.

Adding to 32672320 its reverse (2327623), we get a palindrome (34999943).

The spelling of 32672320 in words is "thirty-two million, six hundred seventy-two thousand, three hundred twenty".