708725819 has 2 divisors, whose sum is σ = 708725820. Its totient is φ = 708725818.

The previous prime is 708725777. The next prime is 708725837. The reversal of 708725819 is 918527807.

It is a strong prime.

It is an emirp because it is prime and its reverse (918527807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 708725819 - 2¹² = 708721723 is a prime.

It is a super-2 number, since 2×708725819² = 1004584573034441522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (708725879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354362909 + 354362910.

It is an arithmetic number, because the mean of its divisors is an integer number (354362910).

Almost surely, 2^708725819 is an apocalyptic number.

708725819 is a deficient number, since it is larger than the sum of its proper divisors (1).

708725819 is an equidigital number, since it uses as much as digits as its factorization.

708725819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 708725819 is about 26621.9048717405. The cubic root of 708725819 is about 891.5781531183.

The spelling of 708725819 in words is "seven hundred eight million, seven hundred twenty-five thousand, eight hundred nineteen".