632747423268 has 36 divisors (see below), whose sum is σ = 1599618797868. Its totient is φ = 210892872960.

The previous prime is 632747423263. The next prime is 632747423291. The reversal of 632747423268 is 862324747236.

632747423268 is a `hidden beast` number, since 6 + 3 + 274 + 7 + 42 + 326 + 8 = 666.

632747423268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 528671501604 + 104075921664 = 727098^2 + 322608^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (632747423261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618321 + ... + 1283672.

Almost surely, 2^632747423268 is an apocalyptic number.

It is an amenable number.

632747423268 is an abundant number, since it is smaller than the sum of its proper divisors (966871374600).

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

632747423268 is a wasteful number, since it uses less digits than its factorization.

632747423268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911244 (or 1911239 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 54.

The spelling of 632747423268 in words is "six hundred thirty-two billion, seven hundred forty-seven million, four hundred twenty-three thousand, two hundred sixty-eight".