63533372 has 12 divisors (see below), whose sum is σ = 127066800. Its totient is φ = 27228576.

The previous prime is 63533363. The next prime is 63533377. The reversal of 63533372 is 27333536.

63533372 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63533377) 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, 1134497 + ... + 1134552.

It is an arithmetic number, because the mean of its divisors is an integer number (10588900).

Almost surely, 2^63533372 is an apocalyptic number.

It is an amenable number.

63533372 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.

63533372 is a wasteful number, since it uses less digits than its factorization.

63533372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269060 (or 2269058 counting only the distinct ones).

The product of its digits is 34020, while the sum is 32.

The square root of 63533372 is about 7970.7823957250. The cubic root of 63533372 is about 399.0254860679.

The spelling of 63533372 in words is "sixty-three million, five hundred thirty-three thousand, three hundred seventy-two".