63572320 has 96 divisors (see below), whose sum is σ = 177278976. Its totient is φ = 21081600.

The previous prime is 63572297. The next prime is 63572371. The reversal of 63572320 is 2327536.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent 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, 33805 + ... + 35635.

It is an arithmetic number, because the mean of its divisors is an integer number (1846656).

Almost surely, 2^63572320 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 63572320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88639488).

63572320 is an abundant number, since it is smaller than the sum of its proper divisors (113706656).

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

63572320 is a wasteful number, since it uses less digits than its factorization.

63572320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 63572320 is about 7973.2251943614. The cubic root of 63572320 is about 399.1070078963.

Adding to 63572320 its reverse (2327536), we get a palindrome (65899856).

The spelling of 63572320 in words is "sixty-three million, five hundred seventy-two thousand, three hundred twenty".