33072047 has 2 divisors, whose sum is σ = 33072048. Its totient is φ = 33072046.

The previous prime is 33072041. The next prime is 33072059. The reversal of 33072047 is 74027033.

It is a weak prime.

It is an emirp because it is prime and its reverse (74027033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33072047 - 2¹⁶ = 33006511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33072041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16536023 + 16536024.

It is an arithmetic number, because the mean of its divisors is an integer number (16536024).

Almost surely, 2^33072047 is an apocalyptic number.

33072047 is a deficient number, since it is larger than the sum of its proper divisors (1).

33072047 is an equidigital number, since it uses as much as digits as its factorization.

33072047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 33072047 is about 5750.8301139922. The cubic root of 33072047 is about 320.9866908299.

The spelling of 33072047 in words is "thirty-three million, seventy-two thousand, forty-seven".