73071227 has 2 divisors, whose sum is σ = 73071228. Its totient is φ = 73071226.

The previous prime is 73071223. The next prime is 73071289. The reversal of 73071227 is 72217037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73071227 - 2² = 73071223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73071227.

It is not a weakly prime, because it can be changed into another prime (73071223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36535613 + 36535614.

It is an arithmetic number, because the mean of its divisors is an integer number (36535614).

Almost surely, 2^73071227 is an apocalyptic number.

73071227 is a deficient number, since it is larger than the sum of its proper divisors (1).

73071227 is an equidigital number, since it uses as much as digits as its factorization.

73071227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 73071227 is about 8548.1709739569. The cubic root of 73071227 is about 418.0698032126.

The spelling of 73071227 in words is "seventy-three million, seventy-one thousand, two hundred twenty-seven".