632630345 has 8 divisors (see below), whose sum is σ = 759717576. Its totient is φ = 505730176.

The previous prime is 632630321. The next prime is 632630351. The reversal of 632630345 is 543036236.

It can be written as a sum of positive squares in 4 ways, for example, as 310499641 + 322130704 = 17621^2 + 17948^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 632630345 - 2¹⁰ = 632629321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39212 + ... + 52941.

It is an arithmetic number, because the mean of its divisors is an integer number (94964697).

Almost surely, 2^632630345 is an apocalyptic number.

It is an amenable number.

632630345 is a deficient number, since it is larger than the sum of its proper divisors (127087231).

632630345 is a wasteful number, since it uses less digits than its factorization.

632630345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93531.

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 632630345 is about 25152.1439444036. The cubic root of 632630345 is about 858.4532975464.

The spelling of 632630345 in words is "six hundred thirty-two million, six hundred thirty thousand, three hundred forty-five".