7973297 has 4 divisors (see below), whose sum is σ = 7982436. Its totient is φ = 7964160.

The previous prime is 7973281. The next prime is 7973299. The reversal of 7973297 is 7923797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5527201 + 2446096 = 2351^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 7973297 - 2⁴ = 7973281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7973299) 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 in 3 ways as a sum of consecutive naturals, for example, 3104 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (1995609).

Almost surely, 2^7973297 is an apocalyptic number.

It is an amenable number.

7973297 is a deficient number, since it is larger than the sum of its proper divisors (9139).

7973297 is an equidigital number, since it uses as much as digits as its factorization.

7973297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9138.

The product of its digits is 166698, while the sum is 44.

The square root of 7973297 is about 2823.7027109807. The cubic root of 7973297 is about 199.7772269530. Note that the first 3 decimals are identical.

The spelling of 7973297 in words is "seven million, nine hundred seventy-three thousand, two hundred ninety-seven".