708729089 has 8 divisors (see below), whose sum is σ = 746679840. Its totient is φ = 670843296.

The previous prime is 708729067. The next prime is 708729103. The reversal of 708729089 is 980927807.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 708729089 - 2⁸ = 708728833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (708729689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7034 + ... + 38300.

It is an arithmetic number, because the mean of its divisors is an integer number (93334980).

Almost surely, 2^708729089 is an apocalyptic number.

It is an amenable number.

708729089 is a deficient number, since it is larger than the sum of its proper divisors (37950751).

708729089 is a wasteful number, since it uses less digits than its factorization.

708729089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32479.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 708729089 is about 26621.9662872598. The cubic root of 708729089 is about 891.5795243378.

The spelling of 708729089 in words is "seven hundred eight million, seven hundred twenty-nine thousand, eighty-nine".