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66062071 is a prime number
BaseRepresentation
bin1111110000000…
…0011011110111
311121022022010101
43330000123313
5113402441241
610315534531
71431342535
oct374003367
9147268111
1066062071
1134321459
121a15a447
13108c02aa
148ab9155
155bede31
hex3f006f7

66062071 has 2 divisors, whose sum is σ = 66062072. Its totient is φ = 66062070.

The previous prime is 66062039. The next prime is 66062077. The reversal of 66062071 is 17026066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66062071 - 25 = 66062039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66062077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33031035 + 33031036.

It is an arithmetic number, because the mean of its divisors is an integer number (33031036).

Almost surely, 266062071 is an apocalyptic number.

66062071 is a deficient number, since it is larger than the sum of its proper divisors (1).

66062071 is an equidigital number, since it uses as much as digits as its factorization.

66062071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66062071 is about 8127.8577128294. The cubic root of 66062071 is about 404.2506511599.

The spelling of 66062071 in words is "sixty-six million, sixty-two thousand, seventy-one".