63473648 has 120 divisors (see below), whose sum is σ = 156231072. Its totient is φ = 24440832.

The previous prime is 63473639. The next prime is 63473651. The reversal of 63473648 is 84637436.

63473648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1197590 + ... + 1197642.

Almost surely, 2^63473648 is an apocalyptic number.

63473648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63473648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78115536).

63473648 is an abundant number, since it is smaller than the sum of its proper divisors (92757424).

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

63473648 is a wasteful number, since it uses less digits than its factorization.

63473648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 116 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 63473648 is about 7967.0350821369. The cubic root of 63473648 is about 398.9004133763.

The spelling of 63473648 in words is "sixty-three million, four hundred seventy-three thousand, six hundred forty-eight".