695722668 has 24 divisors (see below), whose sum is σ = 1633078272. Its totient is φ = 230518224.

The previous prime is 695722663. The next prime is 695722669. The reversal of 695722668 is 866227596.

It is a self number, because there is not a number n which added to its sum of digits gives 695722668.

It is not an unprimeable number, because it can be changed into a prime (695722663) 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 7 ways as a sum of consecutive naturals, for example, 171580 + ... + 175587.

It is an arithmetic number, because the mean of its divisors is an integer number (68044928).

Almost surely, 2^695722668 is an apocalyptic number.

It is an amenable number.

695722668 is an abundant number, since it is smaller than the sum of its proper divisors (937355604).

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

695722668 is a wasteful number, since it uses less digits than its factorization.

695722668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347341 (or 347339 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 695722668 is about 26376.5552716802. Note that the first 3 decimals coincide. The cubic root of 695722668 is about 886.0918007222.

The spelling of 695722668 in words is "six hundred ninety-five million, seven hundred twenty-two thousand, six hundred sixty-eight".