71166797 has 8 divisors (see below), whose sum is σ = 77786016. Its totient is φ = 64711152.

The previous prime is 71166737. The next prime is 71166827. The reversal of 71166797 is 79766117.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71166797 - 2¹⁴ = 71150413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71166707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39983 + ... + 41724.

It is an arithmetic number, because the mean of its divisors is an integer number (9723252).

Almost surely, 2^71166797 is an apocalyptic number.

It is an amenable number.

71166797 is a deficient number, since it is larger than the sum of its proper divisors (6619219).

71166797 is a wasteful number, since it uses less digits than its factorization.

71166797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81787.

The product of its digits is 111132, while the sum is 44.

The square root of 71166797 is about 8436.0415480248. The cubic root of 71166797 is about 414.4057823720.

The spelling of 71166797 in words is "seventy-one million, one hundred sixty-six thousand, seven hundred ninety-seven".