7320912197 has 2 divisors, whose sum is σ = 7320912198. Its totient is φ = 7320912196.

The previous prime is 7320912191. The next prime is 7320912199. The reversal of 7320912197 is 7912190237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7181884516 + 139027681 = 84746^2 + 11791^2 .

It is a cyclic number.

It is not a de Polignac number, because 7320912197 - 2¹⁰ = 7320911173 is a prime.

Together with 7320912199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7320912191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660456098 + 3660456099.

It is an arithmetic number, because the mean of its divisors is an integer number (3660456099).

Almost surely, 2^7320912197 is an apocalyptic number.

It is an amenable number.

7320912197 is a deficient number, since it is larger than the sum of its proper divisors (1).

7320912197 is an equidigital number, since it uses as much as digits as its factorization.

7320912197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 7320912197 is about 85562.3293102753. The cubic root of 7320912197 is about 1941.7280274967.

The spelling of 7320912197 in words is "seven billion, three hundred twenty million, nine hundred twelve thousand, one hundred ninety-seven".