71166273 has 4 divisors (see below), whose sum is σ = 94888368. Its totient is φ = 47444180.

The previous prime is 71166253. The next prime is 71166287. The reversal of 71166273 is 37266117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71166273 - 2¹⁰ = 71165249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71166253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11861043 + ... + 11861048.

It is an arithmetic number, because the mean of its divisors is an integer number (23722092).

Almost surely, 2^71166273 is an apocalyptic number.

It is an amenable number.

71166273 is a deficient number, since it is larger than the sum of its proper divisors (23722095).

71166273 is a wasteful number, since it uses less digits than its factorization.

71166273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722094.

The product of its digits is 10584, while the sum is 33.

The square root of 71166273 is about 8436.0104907474. The cubic root of 71166273 is about 414.4047652818.

The spelling of 71166273 in words is "seventy-one million, one hundred sixty-six thousand, two hundred seventy-three".