708734641 has 16 divisors (see below), whose sum is σ = 758131920. Its totient is φ = 662526720.

The previous prime is 708734639. The next prime is 708734687. The reversal of 708734641 is 146437807.

It can be written as a sum of positive squares in 8 ways, for example, as 60777616 + 647957025 = 7796^2 + 25455^2 .

It is not a de Polignac number, because 708734641 - 2¹ = 708734639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 708734594 and 708734603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708704641) 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 in 15 ways as a sum of consecutive naturals, for example, 888855 + ... + 889651.

It is an arithmetic number, because the mean of its divisors is an integer number (47383245).

Almost surely, 2^708734641 is an apocalyptic number.

It is an amenable number.

708734641 is a deficient number, since it is larger than the sum of its proper divisors (49397279).

708734641 is an equidigital number, since it uses as much as digits as its factorization.

708734641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 708734641 is about 26622.0705618477. The cubic root of 708734641 is about 891.5818524660.

The spelling of 708734641 in words is "seven hundred eight million, seven hundred thirty-four thousand, six hundred forty-one".