60787720 has 64 divisors (see below), whose sum is σ = 158918400. Its totient is φ = 20494080.

The previous prime is 60787711. The next prime is 60787721. The reversal of 60787720 is 2778706.

It is a self number, because there is not a number n which added to its sum of digits gives 60787720.

It is not an unprimeable number, because it can be changed into a prime (60787721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15301 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (2483100).

Almost surely, 2^60787720 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 60787720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79459200).

60787720 is an abundant number, since it is smaller than the sum of its proper divisors (98130680).

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

60787720 is a wasteful number, since it uses less digits than its factorization.

60787720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 60787720 is about 7796.6479976975. The cubic root of 60787720 is about 393.1925539155.

It can be divided in two parts, 607 and 87720, that multiplied together give a triangular number (53246040 = T₁₀₃₁₉).

The spelling of 60787720 in words is "sixty million, seven hundred eighty-seven thousand, seven hundred twenty".