73127297 has 2 divisors, whose sum is σ = 73127298. Its totient is φ = 73127296.

The previous prime is 73127293. The next prime is 73127309. The reversal of 73127297 is 79272137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 3254416 = 8359^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 73127297 - 2² = 73127293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73127297.

It is not a weakly prime, because it can be changed into another prime (73127293) 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, 36563648 + 36563649.

It is an arithmetic number, because the mean of its divisors is an integer number (36563649).

Almost surely, 2^73127297 is an apocalyptic number.

It is an amenable number.

73127297 is a deficient number, since it is larger than the sum of its proper divisors (1).

73127297 is an equidigital number, since it uses as much as digits as its factorization.

73127297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 38.

The square root of 73127297 is about 8551.4499940069. The cubic root of 73127297 is about 418.1767088609.

The spelling of 73127297 in words is "seventy-three million, one hundred twenty-seven thousand, two hundred ninety-seven".