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66763 is a prime number
BaseRepresentation
bin10000010011001011
310101120201
4100103023
54114023
61233031
7365434
oct202313
9111521
1066763
1146184
1232777
1324508
141a48b
1514bad
hex104cb

66763 has 2 divisors, whose sum is σ = 66764. Its totient is φ = 66762.

The previous prime is 66751. The next prime is 66791. The reversal of 66763 is 36766.

It is an a-pointer prime, because the next prime (66791) can be obtained adding 66763 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-66763 is a prime.

It is not a weakly prime, because it can be changed into another prime (66713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33381 + 33382.

It is an arithmetic number, because the mean of its divisors is an integer number (33382).

266763 is an apocalyptic number.

66763 is a deficient number, since it is larger than the sum of its proper divisors (1).

66763 is an equidigital number, since it uses as much as digits as its factorization.

66763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 66763 is about 258.3853711029. The cubic root of 66763 is about 40.5675345305.

The spelling of 66763 in words is "sixty-six thousand, seven hundred sixty-three".