63725424 has 80 divisors (see below), whose sum is σ = 190344960. Its totient is φ = 17994240.

The previous prime is 63725393. The next prime is 63725437. The reversal of 63725424 is 42452736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28839 + ... + 30969.

It is an arithmetic number, because the mean of its divisors is an integer number (2379312).

Almost surely, 2^63725424 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 63725424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95172480).

63725424 is an abundant number, since it is smaller than the sum of its proper divisors (126619536).

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

63725424 is a wasteful number, since it uses less digits than its factorization.

63725424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2232 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 63725424 is about 7982.8205541651. The cubic root of 63725424 is about 399.4271466559.

The spelling of 63725424 in words is "sixty-three million, seven hundred twenty-five thousand, four hundred twenty-four".