We study volume growth, entropy and stability for translating solitons of mean curvature flow. First, we prove that every complete properly immersed translator has at least linear volume growth. Then, by using Huisken's monotonicity formula, we compute the entropy of the grim reaper and the bowl solitons. We also give a curvature estimate for translators in R-3 with small entropy. Finally, we estimate the spectrum of the stability operator L for translators and give a rigidity result of L-stable translators.
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