472751636 has 12 divisors (see below), whose sum is σ = 945503328. Its totient is φ = 202607832.

The previous prime is 472751593. The next prime is 472751681. The reversal of 472751636 is 636157274.

472751636 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 472751593 and 472751602.

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, 8441966 + ... + 8442021.

It is an arithmetic number, because the mean of its divisors is an integer number (78791944).

Almost surely, 2^472751636 is an apocalyptic number.

It is an amenable number.

472751636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

472751636 is a wasteful number, since it uses less digits than its factorization.

472751636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16883998 (or 16883996 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 472751636 is about 21742.8525267500. The cubic root of 472751636 is about 779.0123572419.

The spelling of 472751636 in words is "four hundred seventy-two million, seven hundred fifty-one thousand, six hundred thirty-six".