632117636 has 6 divisors (see below), whose sum is σ = 1106205870. Its totient is φ = 316058816.

The previous prime is 632117599. The next prime is 632117659. The reversal of 632117636 is 636711236.

It can be written as a sum of positive squares in only one way, i.e., 497557636 + 134560000 = 22306^2 + 11600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 632117596 and 632117605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79014701 + ... + 79014708.

It is an arithmetic number, because the mean of its divisors is an integer number (184367645).

Almost surely, 2^632117636 is an apocalyptic number.

It is an amenable number.

632117636 is a deficient number, since it is larger than the sum of its proper divisors (474088234).

632117636 is a wasteful number, since it uses less digits than its factorization.

632117636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158029413 (or 158029411 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 632117636 is about 25141.9497255086. The cubic root of 632117636 is about 858.2213265435.

The spelling of 632117636 in words is "six hundred thirty-two million, one hundred seventeen thousand, six hundred thirty-six".