630724784 has 40 divisors (see below), whose sum is σ = 1236563712. Its totient is φ = 311636480.

The previous prime is 630724777. The next prime is 630724789. The reversal of 630724784 is 487427036.

It is not an unprimeable number, because it can be changed into a prime (630724789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528092 + ... + 529284.

Almost surely, 2^630724784 is an apocalyptic number.

It is an amenable number.

630724784 is a deficient number, since it is larger than the sum of its proper divisors (605838928).

630724784 is a wasteful number, since it uses less digits than its factorization.

630724784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 630724784 is about 25114.2346887179. The cubic root of 630724784 is about 857.5905081164.

The spelling of 630724784 in words is "six hundred thirty million, seven hundred twenty-four thousand, seven hundred eighty-four".