60681520 has 20 divisors (see below), whose sum is σ = 141084720. Its totient is φ = 24272576.

The previous prime is 60681493. The next prime is 60681527. The reversal of 60681520 is 2518606.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×60681520³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (60681527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379180 + ... + 379339.

It is an arithmetic number, because the mean of its divisors is an integer number (7054236).

Almost surely, 2^60681520 is an apocalyptic number.

It is an amenable number.

60681520 is an abundant number, since it is smaller than the sum of its proper divisors (80403200).

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

60681520 is a wasteful number, since it uses less digits than its factorization.

60681520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758532 (or 758526 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 60681520 is about 7789.8344013207. The cubic root of 60681520 is about 392.9634430015.

The spelling of 60681520 in words is "sixty million, six hundred eighty-one thousand, five hundred twenty".