68605860 has 48 divisors (see below), whose sum is σ = 193346496. Its totient is φ = 18175872.

The previous prime is 68605843. The next prime is 68605871. The reversal of 68605860 is 6850686.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5779 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (4028052).

Almost surely, 2^68605860 is an apocalyptic number.

68605860 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 68605860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96673248).

68605860 is an abundant number, since it is smaller than the sum of its proper divisors (124740636).

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

68605860 is a wasteful number, since it uses less digits than its factorization.

68605860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7452 (or 7450 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 68605860 is about 8282.8654462088. The cubic root of 68605860 is about 409.3741393063.

It can be divided in two parts, 6860 and 5860, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 68605860 in words is "sixty-eight million, six hundred five thousand, eight hundred sixty".