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68472673 is a prime number
BaseRepresentation
bin1000001010011…
…00111101100001
311202211202211221
410011030331201
5120012111143
610443335041
71461002533
oct405147541
9152752757
1068472673
1135718595
121ab21481
1311255599
149145853
1560282ed
hex414cf61

68472673 has 2 divisors, whose sum is σ = 68472674. Its totient is φ = 68472672.

The previous prime is 68472667. The next prime is 68472731. The reversal of 68472673 is 37627486.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60109009 + 8363664 = 7753^2 + 2892^2 .

It is a cyclic number.

It is not a de Polignac number, because 68472673 - 217 = 68341601 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (68472653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34236336 + 34236337.

It is an arithmetic number, because the mean of its divisors is an integer number (34236337).

Almost surely, 268472673 is an apocalyptic number.

It is an amenable number.

68472673 is a deficient number, since it is larger than the sum of its proper divisors (1).

68472673 is an equidigital number, since it uses as much as digits as its factorization.

68472673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 68472673 is about 8274.8216294975. The cubic root of 68472673 is about 409.1090568276.

The spelling of 68472673 in words is "sixty-eight million, four hundred seventy-two thousand, six hundred seventy-three".