33072841 has 2 divisors, whose sum is σ = 33072842. Its totient is φ = 33072840.

The previous prime is 33072839. The next prime is 33072859. The reversal of 33072841 is 14827033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30525625 + 2547216 = 5525^2 + 1596^2 .

It is a cyclic number.

It is not a de Polignac number, because 33072841 - 2¹ = 33072839 is a prime.

It is a super-2 number, since 2×33072841² = 2187625623622562, which contains 22 as substring.

Together with 33072839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33072811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16536420 + 16536421.

It is an arithmetic number, because the mean of its divisors is an integer number (16536421).

Almost surely, 2^33072841 is an apocalyptic number.

It is an amenable number.

33072841 is a deficient number, since it is larger than the sum of its proper divisors (1).

33072841 is an equidigital number, since it uses as much as digits as its factorization.

33072841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 33072841 is about 5750.8991470900. The cubic root of 33072841 is about 320.9892595792.

Adding to 33072841 its reverse (14827033), we get a palindrome (47899874).

The spelling of 33072841 in words is "thirty-three million, seventy-two thousand, eight hundred forty-one".