632871632 has 10 divisors (see below), whose sum is σ = 1226188818. Its totient is φ = 316435808.

The previous prime is 632871623. The next prime is 632871649. The reversal of 632871632 is 236178236.

632871632 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 only one way, i.e., 440328256 + 192543376 = 20984^2 + 13876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19777223 + ... + 19777254.

Almost surely, 2^632871632 is an apocalyptic number.

It is an amenable number.

632871632 is a deficient number, since it is larger than the sum of its proper divisors (593317186).

632871632 is a wasteful number, since it uses less digits than its factorization.

632871632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39554485 (or 39554479 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 632871632 is about 25156.9400364989. The cubic root of 632871632 is about 858.5624225113.

The spelling of 632871632 in words is "six hundred thirty-two million, eight hundred seventy-one thousand, six hundred thirty-two".