63495728 has 10 divisors (see below), whose sum is σ = 123023004. Its totient is φ = 31747856.

The previous prime is 63495727. The next prime is 63495767. The reversal of 63495728 is 82759436.

63495728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63495727) 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, 1984226 + ... + 1984257.

Almost surely, 2^63495728 is an apocalyptic number.

It is an amenable number.

63495728 is a deficient number, since it is larger than the sum of its proper divisors (59527276).

63495728 is a wasteful number, since it uses less digits than its factorization.

63495728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968491 (or 3968485 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 63495728 is about 7968.4206716262. The cubic root of 63495728 is about 398.9466619656.

The spelling of 63495728 in words is "sixty-three million, four hundred ninety-five thousand, seven hundred twenty-eight".