63974224 has 40 divisors (see below), whose sum is σ = 130027392. Its totient is φ = 30433920.

The previous prime is 63974219. The next prime is 63974237. The reversal of 63974224 is 42247936.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 96454 + ... + 97114.

Almost surely, 2^63974224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63974224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65013696).

63974224 is an abundant number, since it is smaller than the sum of its proper divisors (66053168).

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

63974224 is a wasteful number, since it uses less digits than its factorization.

63974224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 949 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 63974224 is about 7998.3888377598. The cubic root of 63974224 is about 399.9462927892.

The spelling of 63974224 in words is "sixty-three million, nine hundred seventy-four thousand, two hundred twenty-four".