63275216 has 80 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 28654080.

The previous prime is 63275213. The next prime is 63275237. The reversal of 63275216 is 61257236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63275213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762311 + ... + 762393.

It is an arithmetic number, because the mean of its divisors is an integer number (1687392).

Almost surely, 2^63275216 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 63275216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67495680).

63275216 is an abundant number, since it is smaller than the sum of its proper divisors (71716144).

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

63275216 is a wasteful number, since it uses less digits than its factorization.

63275216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 198 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 63275216 is about 7954.5720186569. The cubic root of 63275216 is about 398.4842972003.

The spelling of 63275216 in words is "sixty-three million, two hundred seventy-five thousand, two hundred sixteen".