This number is a prime.
The molecular weight of chlorophyll b is about 907. [Wu]
The largest negated discriminant of imaginary quadratic fields with class number 3. There are 16 = 9+0+7 such discriminants. [Hasler]
The largest area code (in physical size) in the United States. It covers the entire state of Alaska, except for the small southeastern community of Hyder. [Green]
According to Hindu mythology, a great sage ("Kandu") once fell for and romanced with a celestial nymph ("Pramlocha") for 907 years before he came back to his senses and realized he had gone astray. [Beedassy]