63433632 has 48 divisors (see below), whose sum is σ = 173759040. Its totient is φ = 20224512.

The previous prime is 63433631. The next prime is 63433637. The reversal of 63433632 is 23633436.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×63433632² = 8047651337422848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 63433632.

It is not an unprimeable number, because it can be changed into a prime (63433631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12157 + ... + 16572.

It is an arithmetic number, because the mean of its divisors is an integer number (3619980).

Almost surely, 2^63433632 is an apocalyptic number.

It is an amenable number.

63433632 is an abundant number, since it is smaller than the sum of its proper divisors (110325408).

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

63433632 is a wasteful number, since it uses less digits than its factorization.

63433632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28765 (or 28757 counting only the distinct ones).

The product of its digits is 23328, while the sum is 30.

The square root of 63433632 is about 7964.5233379029. The cubic root of 63433632 is about 398.8165688464.

The spelling of 63433632 in words is "sixty-three million, four hundred thirty-three thousand, six hundred thirty-two".