63447080 has 64 divisors (see below), whose sum is σ = 155174400. Its totient is φ = 23258880.

The previous prime is 63447053. The next prime is 63447101. The reversal of 63447080 is 8074436.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22214 + ... + 24906.

It is an arithmetic number, because the mean of its divisors is an integer number (2424600).

Almost surely, 2^63447080 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 63447080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77587200).

63447080 is an abundant number, since it is smaller than the sum of its proper divisors (91727320).

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

63447080 is a wasteful number, since it uses less digits than its factorization.

63447080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2750 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 63447080 is about 7965.3675370318. The cubic root of 63447080 is about 398.8447500392.

The spelling of 63447080 in words is "sixty-three million, four hundred forty-seven thousand, eighty".