63487748 has 6 divisors (see below), whose sum is σ = 111103566. Its totient is φ = 31743872.

The previous prime is 63487747. The next prime is 63487769. The reversal of 63487748 is 84778436.

63487748 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 only one way, i.e., 49589764 + 13897984 = 7042^2 + 3728^2 .

It is a super-2 number, since 2×63487748² = 8061388292223008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63487747) 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, 7935965 + ... + 7935972.

It is an arithmetic number, because the mean of its divisors is an integer number (18517261).

Almost surely, 2^63487748 is an apocalyptic number.

It is an amenable number.

63487748 is a deficient number, since it is larger than the sum of its proper divisors (47615818).

63487748 is a wasteful number, since it uses less digits than its factorization.

63487748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871941 (or 15871939 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 63487748 is about 7967.9199293166. The cubic root of 63487748 is about 398.9299483596.

The spelling of 63487748 in words is "sixty-three million, four hundred eighty-seven thousand, seven hundred forty-eight".