9072361 has 2 divisors, whose sum is σ = 9072362. Its totient is φ = 9072360.

The previous prime is 9072359. The next prime is 9072383. The reversal of 9072361 is 1632709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 72361 = 3000^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 9072361 - 2¹ = 9072359 is a prime.

It is a super-2 number, since 2×9072361² = 164615468228642, which contains 22 as substring.

Together with 9072359, it forms a pair of twin primes.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (9072311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4536180 + 4536181.

It is an arithmetic number, because the mean of its divisors is an integer number (4536181).

Almost surely, 2^9072361 is an apocalyptic number.

It is an amenable number.

9072361 is a deficient number, since it is larger than the sum of its proper divisors (1).

9072361 is an equidigital number, since it uses as much as digits as its factorization.

9072361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 9072361 is about 3012.0360223610. The cubic root of 9072361 is about 208.5643650710.

The spelling of 9072361 in words is "nine million, seventy-two thousand, three hundred sixty-one".