60561728 has 28 divisors (see below), whose sum is σ = 121139712. Its totient is φ = 30038400.

The previous prime is 60561719. The next prime is 60561731. The reversal of 60561728 is 82716506.

60561728 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4403 + ... + 11853.

Almost surely, 2^60561728 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 60561728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60569856).

60561728 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

60561728 is a wasteful number, since it uses less digits than its factorization.

60561728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7580 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 60561728 is about 7782.1416075525. The cubic root of 60561728 is about 392.7046882927.

The spelling of 60561728 in words is "sixty million, five hundred sixty-one thousand, seven hundred twenty-eight".