9072199 has 2 divisors, whose sum is σ = 9072200. Its totient is φ = 9072198.

The previous prime is 9072191. The next prime is 9072227. The reversal of 9072199 is 9912709.

9072199 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9072199 - 2³ = 9072191 is a prime.

9072199 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9072191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4536099 + 4536100.

It is an arithmetic number, because the mean of its divisors is an integer number (4536100).

Almost surely, 2^9072199 is an apocalyptic number.

9072199 is a deficient number, since it is larger than the sum of its proper divisors (1).

9072199 is an equidigital number, since it uses as much as digits as its factorization.

9072199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 9072199 is about 3012.0091301322. The cubic root of 9072199 is about 208.5631236585.

The spelling of 9072199 in words is "nine million, seventy-two thousand, one hundred ninety-nine".