68752000 has 64 divisors (see below), whose sum is σ = 170974440. Its totient is φ = 27494400.

The previous prime is 68751997. The next prime is 68752007. The reversal of 68752000 is 25786.

It can be written as a sum of positive squares in 4 ways, for example, as 21307456 + 47444544 = 4616^2 + 6888^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 68752000.

It is not an unprimeable number, because it can be changed into a prime (68752007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13852 + ... + 18148.

Almost surely, 2^68752000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68752000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85487220).

68752000 is an abundant number, since it is smaller than the sum of its proper divisors (102222440).

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

68752000 is an equidigital number, since it uses as much as digits as its factorization.

68752000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 68752000 is about 8291.6825795492. The cubic root of 68752000 is about 409.6646077286.

Adding to 68752000 its reverse (25786), we get a palindrome (68777786).

The spelling of 68752000 in words is "sixty-eight million, seven hundred fifty-two thousand".