68293997 has 2 divisors, whose sum is σ = 68293998. Its totient is φ = 68293996.

The previous prime is 68293991. The next prime is 68294027. The reversal of 68293997 is 79939286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34409956 + 33884041 = 5866^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 68293997 - 2¹⁸ = 68031853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68293991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34146998 + 34146999.

It is an arithmetic number, because the mean of its divisors is an integer number (34146999).

Almost surely, 2^68293997 is an apocalyptic number.

It is an amenable number.

68293997 is a deficient number, since it is larger than the sum of its proper divisors (1).

68293997 is an equidigital number, since it uses as much as digits as its factorization.

68293997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 68293997 is about 8264.0182114998. The cubic root of 68293997 is about 408.7528970108.

The spelling of 68293997 in words is "sixty-eight million, two hundred ninety-three thousand, nine hundred ninety-seven".