33872107 has 2 divisors, whose sum is σ = 33872108. Its totient is φ = 33872106.

The previous prime is 33872099. The next prime is 33872147. The reversal of 33872107 is 70127833.

It is a weak prime.

It is an emirp because it is prime and its reverse (70127833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33872107 - 2³ = 33872099 is a prime.

It is a super-2 number, since 2×33872107² = 2294639265238898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33872147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16936053 + 16936054.

It is an arithmetic number, because the mean of its divisors is an integer number (16936054).

Almost surely, 2^33872107 is an apocalyptic number.

33872107 is a deficient number, since it is larger than the sum of its proper divisors (1).

33872107 is an equidigital number, since it uses as much as digits as its factorization.

33872107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 33872107 is about 5819.9748281243. The cubic root of 33872107 is about 323.5544700675.

The spelling of 33872107 in words is "thirty-three million, eight hundred seventy-two thousand, one hundred seven".