736776769 has 2 divisors, whose sum is σ = 736776770. Its totient is φ = 736776768.

The previous prime is 736776767. The next prime is 736776791. The reversal of 736776769 is 967677637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736416769 + 360000 = 27137^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 736776769 - 2¹ = 736776767 is a prime.

It is a super-2 number, since 2×736776769² = 1085680014676158722, which contains 22 as substring.

Together with 736776767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (736776767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368388384 + 368388385.

It is an arithmetic number, because the mean of its divisors is an integer number (368388385).

Almost surely, 2^736776769 is an apocalyptic number.

It is an amenable number.

736776769 is a deficient number, since it is larger than the sum of its proper divisors (1).

736776769 is an equidigital number, since it uses as much as digits as its factorization.

736776769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14002632, while the sum is 58.

The square root of 736776769 is about 27143.6321998365. The cubic root of 736776769 is about 903.1890034006.

The spelling of 736776769 in words is "seven hundred thirty-six million, seven hundred seventy-six thousand, seven hundred sixty-nine".