68827321 has 2 divisors, whose sum is σ = 68827322. Its totient is φ = 68827320.

The previous prime is 68827307. The next prime is 68827327. The reversal of 68827321 is 12372886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41422096 + 27405225 = 6436^2 + 5235^2 .

It is a cyclic number.

It is not a de Polignac number, because 68827321 - 2⁷ = 68827193 is a prime.

It is not a weakly prime, because it can be changed into another prime (68827327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34413660 + 34413661.

It is an arithmetic number, because the mean of its divisors is an integer number (34413661).

Almost surely, 2^68827321 is an apocalyptic number.

It is an amenable number.

68827321 is a deficient number, since it is larger than the sum of its proper divisors (1).

68827321 is an equidigital number, since it uses as much as digits as its factorization.

68827321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 68827321 is about 8296.2232973806. The cubic root of 68827321 is about 409.8141553131.

The spelling of 68827321 in words is "sixty-eight million, eight hundred twenty-seven thousand, three hundred twenty-one".