708752749 has 2 divisors, whose sum is σ = 708752750. Its totient is φ = 708752748.

The previous prime is 708752747. The next prime is 708752753. The reversal of 708752749 is 947257807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 589615524 + 119137225 = 24282^2 + 10915^2 .

It is an emirp because it is prime and its reverse (947257807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 708752749 - 2¹ = 708752747 is a prime.

Together with 708752747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708752747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354376374 + 354376375.

It is an arithmetic number, because the mean of its divisors is an integer number (354376375).

Almost surely, 2^708752749 is an apocalyptic number.

It is an amenable number.

708752749 is a deficient number, since it is larger than the sum of its proper divisors (1).

708752749 is an equidigital number, since it uses as much as digits as its factorization.

708752749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 708752749 is about 26622.4106534326. The cubic root of 708752749 is about 891.5894456355.

The spelling of 708752749 in words is "seven hundred eight million, seven hundred fifty-two thousand, seven hundred forty-nine".