68919360 has 224 divisors, whose sum is σ = 239645952. Its totient is φ = 16711680.

The previous prime is 68919359. The next prime is 68919391. The reversal of 68919360 is 6391986.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669069 + ... + 669171.

It is an arithmetic number, because the mean of its divisors is an integer number (1069848).

Almost surely, 2^68919360 is an apocalyptic number.

68919360 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 68919360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119822976).

68919360 is an abundant number, since it is smaller than the sum of its proper divisors (170726592).

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

68919360 is a wasteful number, since it uses less digits than its factorization.

68919360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 68919360 is about 8301.7684862925. The cubic root of 68919360 is about 409.9967479417.

The spelling of 68919360 in words is "sixty-eight million, nine hundred nineteen thousand, three hundred sixty".