7873273 has 2 divisors, whose sum is σ = 7873274. Its totient is φ = 7873272.

The previous prime is 7873223. The next prime is 7873279. The reversal of 7873273 is 3723787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 760384 = 2667^2 + 872^2 .

It is an emirp because it is prime and its reverse (3723787) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7873273 is a prime.

It is not a weakly prime, because it can be changed into another prime (7873279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936636 + 3936637.

It is an arithmetic number, because the mean of its divisors is an integer number (3936637).

Almost surely, 2^7873273 is an apocalyptic number.

It is an amenable number.

7873273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7873273 is an equidigital number, since it uses as much as digits as its factorization.

7873273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 37.

The square root of 7873273 is about 2805.9353164319. The cubic root of 7873273 is about 198.9383157722.

The spelling of 7873273 in words is "seven million, eight hundred seventy-three thousand, two hundred seventy-three".