1740756749 has 2 divisors, whose sum is σ = 1740756750. Its totient is φ = 1740756748.

The previous prime is 1740756691. The next prime is 1740756767. The reversal of 1740756749 is 9476570471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126609225 + 614147524 = 33565^2 + 24782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1740756749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1740756697 and 1740756706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1740756799) 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, 870378374 + 870378375.

It is an arithmetic number, because the mean of its divisors is an integer number (870378375).

Almost surely, 2^1740756749 is an apocalyptic number.

It is an amenable number.

1740756749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1740756749 is an equidigital number, since it uses as much as digits as its factorization.

1740756749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 1740756749 is about 41722.3770775348. The cubic root of 1740756749 is about 1202.9457142137.

The spelling of 1740756749 in words is "one billion, seven hundred forty million, seven hundred fifty-six thousand, seven hundred forty-nine".