7273001 has 2 divisors, whose sum is σ = 7273002. Its totient is φ = 7273000.

The previous prime is 7272971. The next prime is 7273033. The reversal of 7273001 is 1003727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 90601 = 2680^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 7273001 - 2¹⁰ = 7271977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7273061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636500 + 3636501.

It is an arithmetic number, because the mean of its divisors is an integer number (3636501).

Almost surely, 2^7273001 is an apocalyptic number.

It is an amenable number.

7273001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7273001 is an equidigital number, since it uses as much as digits as its factorization.

7273001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 7273001 is about 2696.8501997701. The cubic root of 7273001 is about 193.7482919031.

Adding to 7273001 its reverse (1003727), we get a palindrome (8276728).

The spelling of 7273001 in words is "seven million, two hundred seventy-three thousand, one".