1066317273 has 72 divisors (see below), whose sum is σ = 1836257280. Its totient is φ = 594397440.

The previous prime is 1066317253. The next prime is 1066317281. The reversal of 1066317273 is 3727136601.

1066317273 is a `hidden beast` number, since 10 + 6 + 631 + 7 + 2 + 7 + 3 = 666.

It is not a de Polignac number, because 1066317273 - 2⁹ = 1066316761 is a prime.

It is a super-2 number, since 2×1066317273² = 2274065053396313058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066317223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4424433 + ... + 4424673.

Almost surely, 2^1066317273 is an apocalyptic number.

It is an amenable number.

1066317273 is a deficient number, since it is larger than the sum of its proper divisors (769940007).

1066317273 is a wasteful number, since it uses less digits than its factorization.

1066317273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1066317273 is about 32654.5138227474. The cubic root of 1066317273 is about 1021.6343378158.

Adding to 1066317273 its product of nonzero digits (31752), we get a square (1066349025 = 32655²).

The spelling of 1066317273 in words is "one billion, sixty-six million, three hundred seventeen thousand, two hundred seventy-three".