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76714721 is a prime number
BaseRepresentation
bin1001001001010…
…01001011100001
312100100111210222
410210221023201
5124114332341
611340132425
71621031036
oct444511341
9170314728
1076714721
113a3379a6
1221837115
1312b7cc35
14a28d38d
156b0544b
hex49292e1

76714721 has 2 divisors, whose sum is σ = 76714722. Its totient is φ = 76714720.

The previous prime is 76714679. The next prime is 76714741. The reversal of 76714721 is 12741767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70140625 + 6574096 = 8375^2 + 2564^2 .

It is a cyclic number.

It is not a de Polignac number, because 76714721 - 214 = 76698337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76714741) 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, 38357360 + 38357361.

It is an arithmetic number, because the mean of its divisors is an integer number (38357361).

Almost surely, 276714721 is an apocalyptic number.

It is an amenable number.

76714721 is a deficient number, since it is larger than the sum of its proper divisors (1).

76714721 is an equidigital number, since it uses as much as digits as its factorization.

76714721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 35.

The square root of 76714721 is about 8758.6940236544. The cubic root of 76714721 is about 424.9060387436.

The spelling of 76714721 in words is "seventy-six million, seven hundred fourteen thousand, seven hundred twenty-one".