630730524 has 24 divisors (see below), whose sum is σ = 1478310400. Its totient is φ = 209299824.

The previous prime is 630730501. The next prime is 630730531. The reversal of 630730524 is 425037036.

It is a junction number, because it is equal to n+sod(n) for n = 630730491 and 630730500.

It is a congruent 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, 115174 + ... + 120525.

Almost surely, 2^630730524 is an apocalyptic number.

It is an amenable number.

630730524 is an abundant number, since it is smaller than the sum of its proper divisors (847579876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630730524 is a wasteful number, since it uses less digits than its factorization.

630730524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235929 (or 235927 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 630730524 is about 25114.3489662782. The cubic root of 630730524 is about 857.5931096497.

The spelling of 630730524 in words is "six hundred thirty million, seven hundred thirty thousand, five hundred twenty-four".