7273073 has 2 divisors, whose sum is σ = 7273074. Its totient is φ = 7273072.

The previous prime is 7273069. The next prime is 7273087. The reversal of 7273073 is 3703727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4133089 + 3139984 = 2033^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 7273073 - 2² = 7273069 is a prime.

It is not a weakly prime, because it can be changed into another prime (7273033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636536 + 3636537.

It is an arithmetic number, because the mean of its divisors is an integer number (3636537).

Almost surely, 2^7273073 is an apocalyptic number.

It is an amenable number.

7273073 is a deficient number, since it is larger than the sum of its proper divisors (1).

7273073 is an equidigital number, since it uses as much as digits as its factorization.

7273073 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 7273073 is about 2696.8635486431. The cubic root of 7273073 is about 193.7489312463.

The spelling of 7273073 in words is "seven million, two hundred seventy-three thousand, seventy-three".