474655668 has 12 divisors (see below), whose sum is σ = 1107529920. Its totient is φ = 158218552.

The previous prime is 474655639. The next prime is 474655693. The reversal of 474655668 is 866556474.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 474655668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19777308 + ... + 19777331.

It is an arithmetic number, because the mean of its divisors is an integer number (92294160).

Almost surely, 2^474655668 is an apocalyptic number.

It is an amenable number.

474655668 is an abundant number, since it is smaller than the sum of its proper divisors (632874252).

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

474655668 is a wasteful number, since it uses less digits than its factorization.

474655668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39554646 (or 39554644 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The square root of 474655668 is about 21786.5937677279. The cubic root of 474655668 is about 780.0567940237.

The spelling of 474655668 in words is "four hundred seventy-four million, six hundred fifty-five thousand, six hundred sixty-eight".