33872093 has 2 divisors, whose sum is σ = 33872094. Its totient is φ = 33872092.

The previous prime is 33872063. The next prime is 33872099. The reversal of 33872093 is 39027833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32752729 + 1119364 = 5723^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 33872093 - 2¹² = 33867997 is a prime.

It is a super-2 number, since 2×33872093² = 2294637368401298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33872099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16936046 + 16936047.

It is an arithmetic number, because the mean of its divisors is an integer number (16936047).

Almost surely, 2^33872093 is an apocalyptic number.

It is an amenable number.

33872093 is a deficient number, since it is larger than the sum of its proper divisors (1).

33872093 is an equidigital number, since it uses as much as digits as its factorization.

33872093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 33872093 is about 5819.9736253698. The cubic root of 33872093 is about 323.5544254904.

The spelling of 33872093 in words is "thirty-three million, eight hundred seventy-two thousand, ninety-three".