73007273 has 2 divisors, whose sum is σ = 73007274. Its totient is φ = 73007272.

The previous prime is 73007257. The next prime is 73007279. The reversal of 73007273 is 37270037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45265984 + 27741289 = 6728^2 + 5267^2 .

It is a cyclic number.

It is not a de Polignac number, because 73007273 - 2⁴ = 73007257 is a prime.

It is not a weakly prime, because it can be changed into another prime (73007279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36503636 + 36503637.

It is an arithmetic number, because the mean of its divisors is an integer number (36503637).

Almost surely, 2^73007273 is an apocalyptic number.

It is an amenable number.

73007273 is a deficient number, since it is larger than the sum of its proper divisors (1).

73007273 is an equidigital number, since it uses as much as digits as its factorization.

73007273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174, while the sum is 29.

The square root of 73007273 is about 8544.4293548487. The cubic root of 73007273 is about 417.9477987818.

The spelling of 73007273 in words is "seventy-three million, seven thousand, two hundred seventy-three".