474645656 has 8 divisors (see below), whose sum is σ = 889960620. Its totient is φ = 237322824.

The previous prime is 474645649. The next prime is 474645673. The reversal of 474645656 is 656546474.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 474645656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29665346 + ... + 29665361.

Almost surely, 2^474645656 is an apocalyptic number.

It is an amenable number.

474645656 is a deficient number, since it is larger than the sum of its proper divisors (415314964).

474645656 is a wasteful number, since it uses less digits than its factorization.

474645656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59330713 (or 59330709 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The square root of 474645656 is about 21786.3639921856. The cubic root of 474645656 is about 780.0513093576.

The spelling of 474645656 in words is "four hundred seventy-four million, six hundred forty-five thousand, six hundred fifty-six".