60855720 has 64 divisors (see below), whose sum is σ = 185094720. Its totient is φ = 16003584.

The previous prime is 60855709. The next prime is 60855731. The reversal of 60855720 is 2755806.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (60855709) and next prime (60855731).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5287 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (2892105).

Almost surely, 2^60855720 is an apocalyptic number.

60855720 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 60855720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92547360).

60855720 is an abundant number, since it is smaller than the sum of its proper divisors (124239000).

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

60855720 is a wasteful number, since it uses less digits than its factorization.

60855720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034 (or 7030 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 60855720 is about 7801.0076272235. The cubic root of 60855720 is about 393.3391138351.

The spelling of 60855720 in words is "sixty million, eight hundred fifty-five thousand, seven hundred twenty".