749686277 has 2 divisors, whose sum is σ = 749686278. Its totient is φ = 749686276.

The previous prime is 749686243. The next prime is 749686303. The reversal of 749686277 is 772686947.

749686277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549152356 + 200533921 = 23434^2 + 14161^2 .

It is a cyclic number.

It is not a de Polignac number, because 749686277 - 2¹² = 749682181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749686877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374843138 + 374843139.

It is an arithmetic number, because the mean of its divisors is an integer number (374843139).

Almost surely, 2^749686277 is an apocalyptic number.

It is an amenable number.

749686277 is a deficient number, since it is larger than the sum of its proper divisors (1).

749686277 is an equidigital number, since it uses as much as digits as its factorization.

749686277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 56.

The square root of 749686277 is about 27380.3995040248. The cubic root of 749686277 is about 908.4335959652.

The spelling of 749686277 in words is "seven hundred forty-nine million, six hundred eighty-six thousand, two hundred seventy-seven".