772226713 has 2 divisors, whose sum is σ = 772226714. Its totient is φ = 772226712.

The previous prime is 772226629. The next prime is 772226729. The reversal of 772226713 is 317622277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390141504 + 382085209 = 19752^2 + 19547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772226713 is a prime.

It is not a weakly prime, because it can be changed into another prime (772226773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386113356 + 386113357.

It is an arithmetic number, because the mean of its divisors is an integer number (386113357).

Almost surely, 2^772226713 is an apocalyptic number.

It is an amenable number.

772226713 is a deficient number, since it is larger than the sum of its proper divisors (1).

772226713 is an equidigital number, since it uses as much as digits as its factorization.

772226713 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 772226713 is about 27788.9674691234. The cubic root of 772226713 is about 917.4483140259.

The spelling of 772226713 in words is "seven hundred seventy-two million, two hundred twenty-six thousand, seven hundred thirteen".