767748049 has 2 divisors, whose sum is σ = 767748050. Its totient is φ = 767748048.

The previous prime is 767748041. The next prime is 767748127. The reversal of 767748049 is 940847767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633025600 + 134722449 = 25160^2 + 11607^2 .

It is a cyclic number.

It is not a de Polignac number, because 767748049 - 2³ = 767748041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 767747987 and 767748005.

It is not a weakly prime, because it can be changed into another prime (767748041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383874024 + 383874025.

It is an arithmetic number, because the mean of its divisors is an integer number (383874025).

Almost surely, 2^767748049 is an apocalyptic number.

It is an amenable number.

767748049 is a deficient number, since it is larger than the sum of its proper divisors (1).

767748049 is an equidigital number, since it uses as much as digits as its factorization.

767748049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 767748049 is about 27708.2667989176. The cubic root of 767748049 is about 915.6712400695.

The spelling of 767748049 in words is "seven hundred sixty-seven million, seven hundred forty-eight thousand, forty-nine".