60871680 has 132 divisors (see below), whose sum is σ = 211078452. Its totient is φ = 16220160.

The previous prime is 60871669. The next prime is 60871691. The reversal of 60871680 is 8617806.

It is an interprime number because it is at equal distance from previous prime (60871669) and next prime (60871691).

It can be written as a sum of positive squares in 2 ways, for example, as 41370624 + 19501056 = 6432^2 + 4416^2 .

It is a super-2 number, since 2×60871680² = 7410722852044800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45420 + ... + 46740.

Almost surely, 2^60871680 is an apocalyptic number.

60871680 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 60871680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105539226).

60871680 is an abundant number, since it is smaller than the sum of its proper divisors (150206772).

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

60871680 is a wasteful number, since it uses less digits than its factorization.

60871680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 60871680 is about 7802.0305049391. The cubic root of 60871680 is about 393.3734964893.

The spelling of 60871680 in words is "sixty million, eight hundred seventy-one thousand, six hundred eighty".