68488753 has 2 divisors, whose sum is σ = 68488754. Its totient is φ = 68488752.

The previous prime is 68488751. The next prime is 68488757. The reversal of 68488753 is 35788486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65415744 + 3073009 = 8088^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 68488753 - 2¹ = 68488751 is a prime.

Together with 68488751, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 68488697 and 68488706.

It is not a weakly prime, because it can be changed into another prime (68488751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34244376 + 34244377.

It is an arithmetic number, because the mean of its divisors is an integer number (34244377).

Almost surely, 2^68488753 is an apocalyptic number.

It is an amenable number.

68488753 is a deficient number, since it is larger than the sum of its proper divisors (1).

68488753 is an equidigital number, since it uses as much as digits as its factorization.

68488753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 49.

The square root of 68488753 is about 8275.7931946128. The cubic root of 68488753 is about 409.1410791339.

The spelling of 68488753 in words is "sixty-eight million, four hundred eighty-eight thousand, seven hundred fifty-three".