63422784 has 168 divisors, whose sum is σ = 199623680. Its totient is φ = 19740672.

The previous prime is 63422783. The next prime is 63422789. The reversal of 63422784 is 48722436.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63422783) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 499329 + ... + 499455.

Almost surely, 2^63422784 is an apocalyptic number.

63422784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63422784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99811840).

63422784 is an abundant number, since it is smaller than the sum of its proper divisors (136200896).

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

63422784 is a wasteful number, since it uses less digits than its factorization.

63422784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 149 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 63422784 is about 7963.8422887448. The cubic root of 63422784 is about 398.7938332267.

The spelling of 63422784 in words is "sixty-three million, four hundred twenty-two thousand, seven hundred eighty-four".