63748128 has 24 divisors (see below), whose sum is σ = 167339088. Its totient is φ = 21249344.

The previous prime is 63748127. The next prime is 63748129. The reversal of 63748128 is 82184736.

It is an interprime number because it is at equal distance from previous prime (63748127) and next prime (63748129).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (63748127) 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 3 ways as a sum of consecutive naturals, for example, 331926 + ... + 332117.

It is an arithmetic number, because the mean of its divisors is an integer number (6972462).

Almost surely, 2^63748128 is an apocalyptic number.

It is an amenable number.

63748128 is an abundant number, since it is smaller than the sum of its proper divisors (103590960).

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

63748128 is a wasteful number, since it uses less digits than its factorization.

63748128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664056 (or 664048 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 63748128 is about 7984.2424812878. The cubic root of 63748128 is about 399.4745767950.

The spelling of 63748128 in words is "sixty-three million, seven hundred forty-eight thousand, one hundred twenty-eight".