68288741 has 2 divisors, whose sum is σ = 68288742. Its totient is φ = 68288740.

The previous prime is 68288729. The next prime is 68288743. The reversal of 68288741 is 14788286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 27520516 = 6385^2 + 5246^2 .

It is a cyclic number.

It is not a de Polignac number, because 68288741 - 2¹⁰ = 68287717 is a prime.

Together with 68288743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68288692 and 68288701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68288743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34144370 + 34144371.

It is an arithmetic number, because the mean of its divisors is an integer number (34144371).

Almost surely, 2^68288741 is an apocalyptic number.

It is an amenable number.

68288741 is a deficient number, since it is larger than the sum of its proper divisors (1).

68288741 is an equidigital number, since it uses as much as digits as its factorization.

68288741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172032, while the sum is 44.

The square root of 68288741 is about 8263.7002002735. The cubic root of 68288741 is about 408.7424106800.

The spelling of 68288741 in words is "sixty-eight million, two hundred eighty-eight thousand, seven hundred forty-one".