63072240 has 160 divisors (see below), whose sum is σ = 243841536. Its totient is φ = 13102080.

The previous prime is 63072221. The next prime is 63072241. The reversal of 63072240 is 4227036.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 63072240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63072241) 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, 16774 + ... + 20186.

Almost surely, 2^63072240 is an apocalyptic number.

63072240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63072240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121920768).

63072240 is an abundant number, since it is smaller than the sum of its proper divisors (180769296).

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

63072240 is a wasteful number, since it uses less digits than its factorization.

63072240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447 (or 3441 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 63072240 is about 7941.8033216644. The cubic root of 63072240 is about 398.0577511039.

Adding to 63072240 its reverse (4227036), we get a palindrome (67299276).

The spelling of 63072240 in words is "sixty-three million, seventy-two thousand, two hundred forty".