7372173013 has 2 divisors, whose sum is σ = 7372173014. Its totient is φ = 7372173012.

The previous prime is 7372173007. The next prime is 7372173073. The reversal of 7372173013 is 3103712737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5004572049 + 2367600964 = 70743^2 + 48658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7372173013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7372173013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7372173073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3686086506 + 3686086507.

It is an arithmetic number, because the mean of its divisors is an integer number (3686086507).

Almost surely, 2^7372173013 is an apocalyptic number.

It is an amenable number.

7372173013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7372173013 is an equidigital number, since it uses as much as digits as its factorization.

7372173013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 7372173013 is about 85861.3592543235. The cubic root of 7372173013 is about 1946.2494654109.

The spelling of 7372173013 in words is "seven billion, three hundred seventy-two million, one hundred seventy-three thousand, thirteen".