630773320 has 32 divisors (see below), whose sum is σ = 1424388600. Its totient is φ = 251394048.

The previous prime is 630773303. The next prime is 630773329. The reversal of 630773320 is 23377036.

It can be written as a sum of positive squares in 4 ways, for example, as 193043236 + 437730084 = 13894^2 + 20922^2 .

It is not an unprimeable number, because it can be changed into a prime (630773329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17385 + ... + 39544.

Almost surely, 2^630773320 is an apocalyptic number.

It is an amenable number.

630773320 is an abundant number, since it is smaller than the sum of its proper divisors (793615280).

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

630773320 is a wasteful number, since it uses less digits than its factorization.

630773320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57217 (or 57213 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 31.

The square root of 630773320 is about 25115.2009747085. The cubic root of 630773320 is about 857.6125055318.

The spelling of 630773320 in words is "six hundred thirty million, seven hundred seventy-three thousand, three hundred twenty".