63504028 has 12 divisors (see below), whose sum is σ = 127008112. Its totient is φ = 27216000.

The previous prime is 63504019. The next prime is 63504029. The reversal of 63504028 is 82040536.

63504028 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 2268001 = 63504028 / (6 + 3 + 5 + 0 + 4 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 63503987 and 63504005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63504029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133973 + ... + 1134028.

Almost surely, 2^63504028 is an apocalyptic number.

It is an amenable number.

63504028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63504028 is a wasteful number, since it uses less digits than its factorization.

63504028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268012 (or 2268010 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 63504028 is about 7968.9414604450. The cubic root of 63504028 is about 398.9640443057.

The spelling of 63504028 in words is "sixty-three million, five hundred four thousand, twenty-eight".