63533696 has 64 divisors (see below), whose sum is σ = 131539200. Its totient is φ = 30551040.

The previous prime is 63533689. The next prime is 63533713. The reversal of 63533696 is 69633536.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 616781 + ... + 616883.

It is an arithmetic number, because the mean of its divisors is an integer number (2055300).

Almost surely, 2^63533696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63533696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65769600).

63533696 is an abundant number, since it is smaller than the sum of its proper divisors (68005504).

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

63533696 is a wasteful number, since it uses less digits than its factorization.

63533696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 245 counting only the distinct ones).

The product of its digits is 262440, while the sum is 41.

The square root of 63533696 is about 7970.8027199273. The cubic root of 63533696 is about 399.0261643678.

The spelling of 63533696 in words is "sixty-three million, five hundred thirty-three thousand, six hundred ninety-six".