73282273 has 2 divisors, whose sum is σ = 73282274. Its totient is φ = 73282272.

The previous prime is 73282249. The next prime is 73282331. The reversal of 73282273 is 37228237.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71115489 + 2166784 = 8433^2 + 1472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73282273 is a prime.

It is not a weakly prime, because it can be changed into another prime (73282213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36641136 + 36641137.

It is an arithmetic number, because the mean of its divisors is an integer number (36641137).

Almost surely, 2^73282273 is an apocalyptic number.

It is an amenable number.

73282273 is a deficient number, since it is larger than the sum of its proper divisors (1).

73282273 is an equidigital number, since it uses as much as digits as its factorization.

73282273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 73282273 is about 8560.5065854773. The cubic root of 73282273 is about 418.4719092801.

The spelling of 73282273 in words is "seventy-three million, two hundred eighty-two thousand, two hundred seventy-three".