63533572 has 24 divisors (see below), whose sum is σ = 112766976. Its totient is φ = 31317888.

The previous prime is 63533543. The next prime is 63533581. The reversal of 63533572 is 27533536.

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, 165693 + ... + 166075.

It is an arithmetic number, because the mean of its divisors is an integer number (4698624).

Almost surely, 2^63533572 is an apocalyptic number.

It is an amenable number.

63533572 is a deficient number, since it is larger than the sum of its proper divisors (49233404).

63533572 is a wasteful number, since it uses less digits than its factorization.

63533572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its digits is 56700, while the sum is 34.

The square root of 63533572 is about 7970.7949415350. The cubic root of 63533572 is about 399.0259047718.

The spelling of 63533572 in words is "sixty-three million, five hundred thirty-three thousand, five hundred seventy-two".