twenty-seven

listen to the pronunciation of twenty-seven
İngilizce - Türkçe
27
yirmi yedi
twenty-four seven
24 yedi
İngilizce - İngilizce
The cardinal number immediately following twenty-six and preceding twenty-eight
the cardinal number that is the sum of twenty-six and one being seven more than twenty
twenty-four seven
An abbreviation which stands for "24 hours a day, 7 days a week", including holidays and days otherwise that may alter limitations of work. In commerce and industry, it identifies a round-the-clock service, as might be offered by a supermarket, ATM, gas station, concierge service or manned data center
twenty-four seven
Constantly, without interruption

They're open twenty-four seven, you can go there any time you want.

twenty-four seven
24-7 if something happens twenty-four seven, it happens all the time, every day
twenty-seven