60663040 has 72 divisors (see below), whose sum is σ = 147315168. Its totient is φ = 23930880.

The previous prime is 60663037. The next prime is 60663049. The reversal of 60663040 is 4036606.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 60662996 and 60663014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60663049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105955 + ... + 106525.

It is an arithmetic number, because the mean of its divisors is an integer number (2046044).

Almost surely, 2^60663040 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 60663040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73657584).

60663040 is an abundant number, since it is smaller than the sum of its proper divisors (86652128).

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

60663040 is an equidigital number, since it uses as much as digits as its factorization.

60663040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 60663040 is about 7788.6481497112. The cubic root of 60663040 is about 392.9235478146.

Adding to 60663040 its reverse (4036606), we get a palindrome (64699646).

The spelling of 60663040 in words is "sixty million, six hundred sixty-three thousand, forty".