706646808 has 128 divisors (see below), whose sum is σ = 2298240000. Its totient is φ = 196957440.

The previous prime is 706646749. The next prime is 706646813. The reversal of 706646808 is 808646607.

It is a happy number.

It is a super-2 number, since 2×706646808² = 998699422513177728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 56293 + ... + 67691.

It is an arithmetic number, because the mean of its divisors is an integer number (17955000).

Almost surely, 2^706646808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 706646808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149120000).

706646808 is an abundant number, since it is smaller than the sum of its proper divisors (1591593192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706646808 is a wasteful number, since it uses less digits than its factorization.

706646808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462 (or 11452 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 706646808 is about 26582.8291948017. The cubic root of 706646808 is about 890.7054996047.

Subtracting from 706646808 its product of nonzero digits (387072), we obtain a triangular number (706259736 = T₃₇₅₈₃).

The spelling of 706646808 in words is "seven hundred six million, six hundred forty-six thousand, eight hundred eight".