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76966469 is a prime number
BaseRepresentation
bin1001001011001…
…10101001000101
312100211022010222
410211212221011
5124200411334
611345354125
71623130016
oct445465105
9170738128
1076966469
113a49a058
1221938945
1312c3a6b8
14a31700d
156b54d2e
hex4966a45

76966469 has 2 divisors, whose sum is σ = 76966470. Its totient is φ = 76966468.

The previous prime is 76966453. The next prime is 76966499. The reversal of 76966469 is 96466967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56806369 + 20160100 = 7537^2 + 4490^2 .

It is a cyclic number.

It is not a de Polignac number, because 76966469 - 24 = 76966453 is a prime.

It is a super-2 number, since 2×769664692 = 11847674700655922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76966469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76966499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38483234 + 38483235.

It is an arithmetic number, because the mean of its divisors is an integer number (38483235).

Almost surely, 276966469 is an apocalyptic number.

It is an amenable number.

76966469 is a deficient number, since it is larger than the sum of its proper divisors (1).

76966469 is an equidigital number, since it uses as much as digits as its factorization.

76966469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The square root of 76966469 is about 8773.0535733005. The cubic root of 76966469 is about 425.3703235917.

The spelling of 76966469 in words is "seventy-six million, nine hundred sixty-six thousand, four hundred sixty-nine".