32738081 has 4 divisors (see below), whose sum is σ = 33622932. Its totient is φ = 31853232.

The previous prime is 32738063. The next prime is 32738089. The reversal of 32738081 is 18083723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18083723 = 7 ⋅2583389.

It can be written as a sum of positive squares in 2 ways, for example, as 15928081 + 16810000 = 3991^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 32738081 - 2¹⁴ = 32721697 is a prime.

It is a super-2 number, since 2×32738081² = 2143563895125122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32738089) 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 3 ways as a sum of consecutive naturals, for example, 442370 + ... + 442443.

It is an arithmetic number, because the mean of its divisors is an integer number (8405733).

Almost surely, 2^32738081 is an apocalyptic number.

It is an amenable number.

32738081 is a deficient number, since it is larger than the sum of its proper divisors (884851).

32738081 is an equidigital number, since it uses as much as digits as its factorization.

32738081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884850.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 32738081 is about 5721.7201084988. The cubic root of 32738081 is about 319.9025777652.

The spelling of 32738081 in words is "thirty-two million, seven hundred thirty-eight thousand, eighty-one".