632687347 has 4 divisors (see below), whose sum is σ = 632905560. Its totient is φ = 632469136.

The previous prime is 632687333. The next prime is 632687353. The reversal of 632687347 is 743786236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632687347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 632687297 and 632687306.

It is not an unprimeable number, because it can be changed into a prime (632687357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104698 + ... + 110575.

It is an arithmetic number, because the mean of its divisors is an integer number (158226390).

Almost surely, 2^632687347 is an apocalyptic number.

632687347 is a deficient number, since it is larger than the sum of its proper divisors (218213).

632687347 is a wasteful number, since it uses less digits than its factorization.

632687347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218212.

The product of its digits is 1016064, while the sum is 46.

The square root of 632687347 is about 25153.2770628401. The cubic root of 632687347 is about 858.4790798934.

The spelling of 632687347 in words is "six hundred thirty-two million, six hundred eighty-seven thousand, three hundred forty-seven".