630450272 has 12 divisors (see below), whose sum is σ = 1241199036. Its totient is φ = 315225120.

The previous prime is 630450241. The next prime is 630450277. The reversal of 630450272 is 272054036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630450277) 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 as a sum of consecutive naturals, namely, 9850754 + ... + 9850817.

It is an arithmetic number, because the mean of its divisors is an integer number (103433253).

Almost surely, 2^630450272 is an apocalyptic number.

It is an amenable number.

630450272 is a deficient number, since it is larger than the sum of its proper divisors (610748764).

630450272 is a wasteful number, since it uses less digits than its factorization.

630450272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19701581 (or 19701573 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 630450272 is about 25108.7688268461. The cubic root of 630450272 is about 857.4660729408.

The spelling of 630450272 in words is "six hundred thirty million, four hundred fifty thousand, two hundred seventy-two".