63387432 has 48 divisors (see below), whose sum is σ = 173759040. Its totient is φ = 20872608.

The previous prime is 63387421. The next prime is 63387449. The reversal of 63387432 is 23478336.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (3619980).

Almost surely, 2^63387432 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 63387432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86879520).

63387432 is an abundant number, since it is smaller than the sum of its proper divisors (110371608).

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

63387432 is a wasteful number, since it uses less digits than its factorization.

63387432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702 (or 10695 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 63387432 is about 7961.6224477176. The cubic root of 63387432 is about 398.7197232673.

The spelling of 63387432 in words is "sixty-three million, three hundred eighty-seven thousand, four hundred thirty-two".