630335752 has 8 divisors (see below), whose sum is σ = 1181879550. Its totient is φ = 315167872.

The previous prime is 630335749. The next prime is 630335789. The reversal of 630335752 is 257533036.

It can be written as a sum of positive squares in only one way, i.e., 589809796 + 40525956 = 24286^2 + 6366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39395977 + ... + 39395992.

Almost surely, 2^630335752 is an apocalyptic number.

It is an amenable number.

630335752 is a deficient number, since it is larger than the sum of its proper divisors (551543798).

630335752 is a wasteful number, since it uses less digits than its factorization.

630335752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78791975 (or 78791971 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 34.

The square root of 630335752 is about 25106.4882450732. The cubic root of 630335752 is about 857.4141508118.

Adding to 630335752 its reverse (257533036), we get a palindrome (887868788).

The spelling of 630335752 in words is "six hundred thirty million, three hundred thirty-five thousand, seven hundred fifty-two".