472644688 has 20 divisors (see below), whose sum is σ = 921899700. Its totient is φ = 234735104.

The previous prime is 472644673. The next prime is 472644719. The reversal of 472644688 is 886446274.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130690624 + 341954064 = 11432^2 + 18492^2 .

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, 96745 + ... + 101512.

It is an arithmetic number, because the mean of its divisors is an integer number (46094985).

Almost surely, 2^472644688 is an apocalyptic number.

It is an amenable number.

472644688 is a deficient number, since it is larger than the sum of its proper divisors (449255012).

472644688 is a wasteful number, since it uses less digits than its factorization.

472644688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198414 (or 198408 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 49.

The square root of 472644688 is about 21740.3930047274. The cubic root of 472644688 is about 778.9536089193.

The spelling of 472644688 in words is "four hundred seventy-two million, six hundred forty-four thousand, six hundred eighty-eight".