63532944 has 160 divisors (see below), whose sum is σ = 198737280. Its totient is φ = 19353600.

The previous prime is 63532943. The next prime is 63532949. The reversal of 63532944 is 44923536.

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

It is a junction number, because it is equal to n+sod(n) for n = 63532899 and 63532908.

It is not an unprimeable number, because it can be changed into a prime (63532943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300999 + ... + 301209.

It is an arithmetic number, because the mean of its divisors is an integer number (1242108).

Almost surely, 2^63532944 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 63532944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99368640).

63532944 is an abundant number, since it is smaller than the sum of its proper divisors (135204336).

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

63532944 is a wasteful number, since it uses less digits than its factorization.

63532944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 274 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 63532944 is about 7970.7555476253. The cubic root of 63532944 is about 399.0245900386.

The spelling of 63532944 in words is "sixty-three million, five hundred thirty-two thousand, nine hundred forty-four".