720 = 24 x 32 x 5.
720 is the smallest number with 30 divisors.
720 has a representation as a sum of two squares: 720 = 122 + 242.
720 = 6! It is the largest factorial to contain all different digits.
720 is the smallest number n where either n or n + 1 is divisible by the numbers from 1 to 10.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAY082awi0RgljDr1HVKpE6r4H66VflpEfUUYVWuRsyAhLZsWcfofjP18PSEqygmmo9fR6-LJ8nmC6mH68M6ZjqEus_l1qE3pKzfc1sr-Opr-9HLO5bj1gTHnI_7e-GwdgBOrbgN422RI/s320/n0720.jpg)
Source: Number Gossip
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