475647756 has 24 divisors (see below), whose sum is σ = 1145647104. Its totient is φ = 153434640.

The previous prime is 475647727. The next prime is 475647803. The reversal of 475647756 is 657746574.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 475647699 and 475647708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638940 + ... + 639683.

It is an arithmetic number, because the mean of its divisors is an integer number (47735296).

Almost surely, 2^475647756 is an apocalyptic number.

It is an amenable number.

475647756 is an abundant number, since it is smaller than the sum of its proper divisors (669999348).

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

475647756 is a wasteful number, since it uses less digits than its factorization.

475647756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278661 (or 1278659 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 51.

The square root of 475647756 is about 21809.3501966473. The cubic root of 475647756 is about 780.5998869721.

The spelling of 475647756 in words is "four hundred seventy-five million, six hundred forty-seven thousand, seven hundred fifty-six".