63247730 has 48 divisors (see below), whose sum is σ = 142634520. Its totient is φ = 20014848.

The previous prime is 63247729. The next prime is 63247747. The reversal of 63247730 is 3774236.

63247730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29735209 + 33512521 = 5453^2 + 5789^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1406 + ... + 11334.

Almost surely, 2^63247730 is an apocalyptic number.

63247730 is an abundant number, since it is smaller than the sum of its proper divisors (79386790).

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

63247730 is a wasteful number, since it uses less digits than its factorization.

63247730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963 (or 9956 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 63247730 is about 7952.8441453357. The cubic root of 63247730 is about 398.4265898999.

The spelling of 63247730 in words is "sixty-three million, two hundred forty-seven thousand, seven hundred thirty".