472405688 has 8 divisors (see below), whose sum is σ = 885760680. Its totient is φ = 236202840.

The previous prime is 472405657. The next prime is 472405691. The reversal of 472405688 is 886504274.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 29525348 + ... + 29525363.

It is an arithmetic number, because the mean of its divisors is an integer number (110720085).

Almost surely, 2^472405688 is an apocalyptic number.

It is an amenable number.

472405688 is a deficient number, since it is larger than the sum of its proper divisors (413354992).

472405688 is a wasteful number, since it uses less digits than its factorization.

472405688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59050717 (or 59050713 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 472405688 is about 21734.8956289189. The cubic root of 472405688 is about 778.8222901888.

The spelling of 472405688 in words is "four hundred seventy-two million, four hundred five thousand, six hundred eighty-eight".