63474432 has 72 divisors (see below), whose sum is σ = 193084416. Its totient is φ = 18134016.

The previous prime is 63474409. The next prime is 63474451. The reversal of 63474432 is 23447436.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 63474393 and 63474402.

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, 528 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (2681728).

Almost surely, 2^63474432 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 63474432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96542208).

63474432 is an abundant number, since it is smaller than the sum of its proper divisors (129609984).

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

63474432 is a wasteful number, since it uses less digits than its factorization.

63474432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833 (or 11819 counting only the distinct ones).

The product of its digits is 48384, while the sum is 33.

The square root of 63474432 is about 7967.0842847305. The cubic root of 63474432 is about 398.9020557200.

The spelling of 63474432 in words is "sixty-three million, four hundred seventy-four thousand, four hundred thirty-two".