768629 has 2 divisors, whose sum is σ = 768630. Its totient is φ = 768628.

The previous prime is 768623. The next prime is 768631. The reversal of 768629 is 926867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528529 + 240100 = 727^2 + 490^2 .

It is an emirp because it is prime and its reverse (926867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768629 - 2⁴ = 768613 is a prime.

Together with 768631, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 768592 and 768601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768623) 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 as a sum of consecutive naturals, namely, 384314 + 384315.

It is an arithmetic number, because the mean of its divisors is an integer number (384315).

2⁷⁶⁸⁶²⁹ is an apocalyptic number.

It is an amenable number.

768629 is a deficient number, since it is larger than the sum of its proper divisors (1).

768629 is an equidigital number, since it uses as much as digits as its factorization.

768629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 768629 is about 876.7148909423. The cubic root of 768629 is about 91.6021334591.

The spelling of 768629 in words is "seven hundred sixty-eight thousand, six hundred twenty-nine".