63322956 has 72 divisors (see below), whose sum is σ = 172483584. Its totient is φ = 19530720.

The previous prime is 63322949. The next prime is 63322957. The reversal of 63322956 is 65922336.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 63322956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63322957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24435 + ... + 26901.

Almost surely, 2^63322956 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 63322956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86241792).

63322956 is an abundant number, since it is smaller than the sum of its proper divisors (109160628).

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

63322956 is a wasteful number, since it uses less digits than its factorization.

63322956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531 (or 2526 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 63322956 is about 7957.5722428389. The cubic root of 63322956 is about 398.5844883927.

The spelling of 63322956 in words is "sixty-three million, three hundred twenty-two thousand, nine hundred fifty-six".