63390432 has 48 divisors (see below), whose sum is σ = 190173312. Its totient is φ = 18111360.

The previous prime is 63390427. The next prime is 63390449. The reversal of 63390432 is 23409336.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 63390432.

It is a congruent number.

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, 46494 + ... + 47837.

It is an arithmetic number, because the mean of its divisors is an integer number (3961944).

Almost surely, 2^63390432 is an apocalyptic number.

It is an amenable number.

63390432 is an abundant number, since it is smaller than the sum of its proper divisors (126782880).

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

63390432 is a wasteful number, since it uses less digits than its factorization.

63390432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94351 (or 94343 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 63390432 is about 7961.8108492980. The cubic root of 63390432 is about 398.7260133696.

Adding to 63390432 its reverse (23409336), we get a palindrome (86799768).

The spelling of 63390432 in words is "sixty-three million, three hundred ninety thousand, four hundred thirty-two".