1373072273 has 2 divisors, whose sum is σ = 1373072274. Its totient is φ = 1373072272.

The previous prime is 1373072227. The next prime is 1373072287. The reversal of 1373072273 is 3722703731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153825024 + 219247249 = 33968^2 + 14807^2 .

It is an emirp because it is prime and its reverse (3722703731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1373072273 - 2⁶ = 1373072209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1373072203) 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, 686536136 + 686536137.

It is an arithmetic number, because the mean of its divisors is an integer number (686536137).

Almost surely, 2^1373072273 is an apocalyptic number.

It is an amenable number.

1373072273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373072273 is an equidigital number, since it uses as much as digits as its factorization.

1373072273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 35.

The square root of 1373072273 is about 37054.9898529199. The cubic root of 1373072273 is about 1111.4701384277.

The spelling of 1373072273 in words is "one billion, three hundred seventy-three million, seventy-two thousand, two hundred seventy-three".