63347472 has 60 divisors (see below), whose sum is σ = 179048064. Its totient is φ = 20905920.

The previous prime is 63347413. The next prime is 63347489. The reversal of 63347472 is 27474336.

It is a happy number.

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, 12697 + ... + 16967.

Almost surely, 2^63347472 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 63347472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89524032).

63347472 is an abundant number, since it is smaller than the sum of its proper divisors (115700592).

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

63347472 is a wasteful number, since it uses less digits than its factorization.

63347472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4379 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 63347472 is about 7959.1125133397. The cubic root of 63347472 is about 398.6359201700.

The spelling of 63347472 in words is "sixty-three million, three hundred forty-seven thousand, four hundred seventy-two".