32325640 has 32 divisors (see below), whose sum is σ = 73071000. Its totient is φ = 12870144.

The previous prime is 32325617. The next prime is 32325647. The reversal of 32325640 is 4652323.

32325640 = 1461² + 1462² + ... + 1475².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26440164 + 5885476 = 5142^2 + 2426^2 .

It is not an unprimeable number, because it can be changed into a prime (32325647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396 + ... + 10924.

Almost surely, 2^32325640 is an apocalyptic number.

It is an amenable number.

32325640 is an abundant number, since it is smaller than the sum of its proper divisors (40745360).

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

32325640 is a wasteful number, since it uses less digits than its factorization.

32325640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 32325640 is about 5685.5641760515. The cubic root of 32325640 is about 318.5534972369.

Adding to 32325640 its reverse (4652323), we get a palindrome (36977963).

The spelling of 32325640 in words is "thirty-two million, three hundred twenty-five thousand, six hundred forty".