73110137273 has 2 divisors, whose sum is σ = 73110137274. Its totient is φ = 73110137272.

The previous prime is 73110137231. The next prime is 73110137291. The reversal of 73110137273 is 37273101137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72540264889 + 569872384 = 269333^2 + 23872^2 .

It is a cyclic number.

It is not a de Polignac number, because 73110137273 - 2¹⁶ = 73110071737 is a prime.

It is not a weakly prime, because it can be changed into another prime (73110437273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36555068636 + 36555068637.

It is an arithmetic number, because the mean of its divisors is an integer number (36555068637).

Almost surely, 2^73110137273 is an apocalyptic number.

It is an amenable number.

73110137273 is a deficient number, since it is larger than the sum of its proper divisors (1).

73110137273 is an equidigital number, since it uses as much as digits as its factorization.

73110137273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 35.

The spelling of 73110137273 in words is "seventy-three billion, one hundred ten million, one hundred thirty-seven thousand, two hundred seventy-three".