63435424 has 48 divisors (see below), whose sum is σ = 138862080. Its totient is φ = 28327680.

The previous prime is 63435419. The next prime is 63435457. The reversal of 63435424 is 42453436.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10437 + ... + 15355.

It is an arithmetic number, because the mean of its divisors is an integer number (2892960).

Almost surely, 2^63435424 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 63435424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69431040).

63435424 is an abundant number, since it is smaller than the sum of its proper divisors (75426656).

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

63435424 is a wasteful number, since it uses less digits than its factorization.

63435424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4965 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 63435424 is about 7964.6358359940. The cubic root of 63435424 is about 398.8203243335.

The spelling of 63435424 in words is "sixty-three million, four hundred thirty-five thousand, four hundred twenty-four".