706651668 has 48 divisors (see below), whose sum is σ = 1834277760. Its totient is φ = 235265472.

The previous prime is 706651657. The next prime is 706651669. The reversal of 706651668 is 866156607.

706651668 is a `hidden beast` number, since 70 + 6 + 6 + 516 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706651669) 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 15 ways as a sum of consecutive naturals, for example, 97705 + ... + 104687.

It is an arithmetic number, because the mean of its divisors is an integer number (38214120).

Almost surely, 2^706651668 is an apocalyptic number.

It is an amenable number.

706651668 is an abundant number, since it is smaller than the sum of its proper divisors (1127626092).

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

706651668 is a wasteful number, since it uses less digits than its factorization.

706651668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933 (or 7925 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 706651668 is about 26582.9206070364. The cubic root of 706651668 is about 890.7075415577.

The spelling of 706651668 in words is "seven hundred six million, six hundred fifty-one thousand, six hundred sixty-eight".