68660597 has 2 divisors, whose sum is σ = 68660598.
Its totient is φ = 68660596.
The previous prime is 68660593. The next prime is 68660617. The reversal of 68660597 is 79506686.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 62315236 + 6345361 = 7894^2 + 2519^2
It is a cyclic number.
It is not a de Polignac number, because 68660597 - 22 = 68660593 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68660591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34330298 + 34330299.
It is an arithmetic number, because the mean of its divisors is an integer number (34330299).
Almost surely, 268660597 is an apocalyptic number.
It is an amenable number.
68660597 is a deficient number, since it is larger than the sum of its proper divisors (1).
68660597 is an equidigital number, since it uses as much as digits as its factorization.
68660597 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 544320, while the sum is 47.
The square root of 68660597 is about 8286.1690183100.
The cubic root of 68660597 is about 409.4829830481.
The spelling of 68660597 in words is "sixty-eight million, six hundred sixty thousand, five hundred ninety-seven".