67708073 has 2 divisors, whose sum is σ = 67708074. Its totient is φ = 67708072.

The previous prime is 67708063. The next prime is 67708099. The reversal of 67708073 is 37080776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65739664 + 1968409 = 8108^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 67708073 - 2²⁴ = 50930857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (67708063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33854036 + 33854037.

It is an arithmetic number, because the mean of its divisors is an integer number (33854037).

Almost surely, 2^67708073 is an apocalyptic number.

It is an amenable number.

67708073 is a deficient number, since it is larger than the sum of its proper divisors (1).

67708073 is an equidigital number, since it uses as much as digits as its factorization.

67708073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 67708073 is about 8228.4915385507. The cubic root of 67708073 is about 407.5805815024.

The spelling of 67708073 in words is "sixty-seven million, seven hundred eight thousand, seventy-three".