738236749 has 2 divisors, whose sum is σ = 738236750. Its totient is φ = 738236748.

The previous prime is 738236711. The next prime is 738236843. The reversal of 738236749 is 947632837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737394025 + 842724 = 27155^2 + 918^2 .

It is an emirp because it is prime and its reverse (947632837) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738236749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738036749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369118374 + 369118375.

It is an arithmetic number, because the mean of its divisors is an integer number (369118375).

Almost surely, 2^738236749 is an apocalyptic number.

It is an amenable number.

738236749 is a deficient number, since it is larger than the sum of its proper divisors (1).

738236749 is an equidigital number, since it uses as much as digits as its factorization.

738236749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 49.

The square root of 738236749 is about 27170.5124905659. The cubic root of 738236749 is about 903.7851893373.

The spelling of 738236749 in words is "seven hundred thirty-eight million, two hundred thirty-six thousand, seven hundred forty-nine".