73255129 has 2 divisors, whose sum is σ = 73255130. Its totient is φ = 73255128.

The previous prime is 73255123. The next prime is 73255177. The reversal of 73255129 is 92155237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68641225 + 4613904 = 8285^2 + 2148^2 .

It is an emirp because it is prime and its reverse (92155237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73255129 - 2³ = 73255121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73255094 and 73255103.

It is not a weakly prime, because it can be changed into another prime (73255121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36627564 + 36627565.

It is an arithmetic number, because the mean of its divisors is an integer number (36627565).

Almost surely, 2^73255129 is an apocalyptic number.

It is an amenable number.

73255129 is a deficient number, since it is larger than the sum of its proper divisors (1).

73255129 is an equidigital number, since it uses as much as digits as its factorization.

73255129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The square root of 73255129 is about 8558.9210184462. The cubic root of 73255129 is about 418.4202350993.

The spelling of 73255129 in words is "seventy-three million, two hundred fifty-five thousand, one hundred twenty-nine".