63320576 has 40 divisors (see below), whose sum is σ = 138031344. Its totient is φ = 28779520.

The previous prime is 63320539. The next prime is 63320611. The reversal of 63320576 is 67502336.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 11253.

Almost surely, 2^63320576 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 63320576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69015672).

63320576 is an abundant number, since it is smaller than the sum of its proper divisors (74710768).

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

63320576 is a wasteful number, since it uses less digits than its factorization.

63320576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272 (or 11256 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 63320576 is about 7957.4226983364. The cubic root of 63320576 is about 398.5794947167.

The spelling of 63320576 in words is "sixty-three million, three hundred twenty thousand, five hundred seventy-six".