63724422 has 8 divisors (see below), whose sum is σ = 127448856. Its totient is φ = 21241472.

The previous prime is 63724403. The next prime is 63724447. The reversal of 63724422 is 22442736.

It is a sphenic number, since it is the product of 3 distinct primes.

63724422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 63724422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5310363 + ... + 5310374.

It is an arithmetic number, because the mean of its divisors is an integer number (15931107).

Almost surely, 2^63724422 is an apocalyptic number.

63724422 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.

63724422 is a wasteful number, since it uses less digits than its factorization.

63724422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10620742.

The product of its digits is 16128, while the sum is 30.

The square root of 63724422 is about 7982.7577941461. The cubic root of 63724422 is about 399.4250531529.

It can be divided in two parts, 63724 and 422, that added together give a palindrome (64146).

The spelling of 63724422 in words is "sixty-three million, seven hundred twenty-four thousand, four hundred twenty-two".