772297 has 2 divisors, whose sum is σ = 772298. Its totient is φ = 772296.

The previous prime is 772279. The next prime is 772313. The reversal of 772297 is 792277.

It is a happy number.

772297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (772279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 741321 + 30976 = 861^2 + 176^2 .

It is an emirp because it is prime and its reverse (792277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 772297 - 2⁷ = 772169 is a prime.

It is not a weakly prime, because it can be changed into another prime (772207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386148 + 386149.

It is an arithmetic number, because the mean of its divisors is an integer number (386149).

2⁷⁷²²⁹⁷ is an apocalyptic number.

It is an amenable number.

772297 is a deficient number, since it is larger than the sum of its proper divisors (1).

772297 is an equidigital number, since it uses as much as digits as its factorization.

772297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 34.

The square root of 772297 is about 878.8043013095. The cubic root of 772297 is about 91.7476148137.

The spelling of 772297 in words is "seven hundred seventy-two thousand, two hundred ninety-seven".