73006273 has 2 divisors, whose sum is σ = 73006274. Its totient is φ = 73006272.

The previous prime is 73006267. The next prime is 73006277. The reversal of 73006273 is 37260037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 25230529 = 6912^2 + 5023^2 .

It is an emirp because it is prime and its reverse (37260037) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73006273 is a prime.

It is not a weakly prime, because it can be changed into another prime (73006277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36503136 + 36503137.

It is an arithmetic number, because the mean of its divisors is an integer number (36503137).

Almost surely, 2^73006273 is an apocalyptic number.

It is an amenable number.

73006273 is a deficient number, since it is larger than the sum of its proper divisors (1).

73006273 is an equidigital number, since it uses as much as digits as its factorization.

73006273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 73006273 is about 8544.3708369897. The cubic root of 73006273 is about 417.9458905257.

The spelling of 73006273 in words is "seventy-three million, six thousand, two hundred seventy-three".