68751360 has 156 divisors (see below), whose sum is σ = 238947852. Its totient is φ = 18284544.

The previous prime is 68751341. The next prime is 68751377. The reversal of 68751360 is 6315786.

68751360 is a `hidden beast` number, since 6 + 87 + 513 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31002624 + 37748736 = 5568^2 + 6144^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184134 + ... + 184506.

It is an arithmetic number, because the mean of its divisors is an integer number (1531717).

Almost surely, 2^68751360 is an apocalyptic number.

68751360 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 68751360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119473926).

68751360 is an abundant number, since it is smaller than the sum of its proper divisors (170196492).

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

68751360 is a wasteful number, since it uses less digits than its factorization.

68751360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 68751360 is about 8291.6439865686. The cubic root of 68751360 is about 409.6633365599.

The spelling of 68751360 in words is "sixty-eight million, seven hundred fifty-one thousand, three hundred sixty".