68260273 has 2 divisors, whose sum is σ = 68260274. Its totient is φ = 68260272.

The previous prime is 68260271. The next prime is 68260277. The reversal of 68260273 is 37206286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48608784 + 19651489 = 6972^2 + 4433^2 .

It is a cyclic number.

It is not a de Polignac number, because 68260273 - 2¹ = 68260271 is a prime.

Together with 68260271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68260271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34130136 + 34130137.

It is an arithmetic number, because the mean of its divisors is an integer number (34130137).

Almost surely, 2^68260273 is an apocalyptic number.

It is an amenable number.

68260273 is a deficient number, since it is larger than the sum of its proper divisors (1).

68260273 is an equidigital number, since it uses as much as digits as its factorization.

68260273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 68260273 is about 8261.9775477787. The cubic root of 68260273 is about 408.6856043598.

The spelling of 68260273 in words is "sixty-eight million, two hundred sixty thousand, two hundred seventy-three".