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68707207 is a prime number
BaseRepresentation
bin1000001100001…
…10001110000111
311210021200120101
410012012032013
5120042112312
610452344531
71463000362
oct406061607
9153250511
1068707207
1135868818
121b015147
131130826a
1491a70d9
156072a57
hex4186387

68707207 has 2 divisors, whose sum is σ = 68707208. Its totient is φ = 68707206.

The previous prime is 68707193. The next prime is 68707213. The reversal of 68707207 is 70270786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68707207 - 215 = 68674439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68707237) 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, 34353603 + 34353604.

It is an arithmetic number, because the mean of its divisors is an integer number (34353604).

Almost surely, 268707207 is an apocalyptic number.

68707207 is a deficient number, since it is larger than the sum of its proper divisors (1).

68707207 is an equidigital number, since it uses as much as digits as its factorization.

68707207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 68707207 is about 8288.9810592135. The cubic root of 68707207 is about 409.5756207738.

The spelling of 68707207 in words is "sixty-eight million, seven hundred seven thousand, two hundred seven".