32880645 has 24 divisors (see below), whose sum is σ = 65135616. Its totient is φ = 15031008.

The previous prime is 32880643. The next prime is 32880649. The reversal of 32880645 is 54608823.

32880645 is a `hidden beast` number, since 3 + 2 + 8 + 8 + 0 + 645 = 666.

It is not a de Polignac number, because 32880645 - 2¹ = 32880643 is a prime.

It is a super-2 number, since 2×32880645² = 2162273631232050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32880643) 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 23 ways as a sum of consecutive naturals, for example, 51877 + ... + 52506.

It is an arithmetic number, because the mean of its divisors is an integer number (2713984).

Almost surely, 2^32880645 is an apocalyptic number.

32880645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32880645 is a deficient number, since it is larger than the sum of its proper divisors (32254971).

32880645 is a wasteful number, since it uses less digits than its factorization.

32880645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104401 (or 104398 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 32880645 is about 5734.1647168528. The cubic root of 32880645 is about 320.3662635671.

The spelling of 32880645 in words is "thirty-two million, eight hundred eighty thousand, six hundred forty-five".