71226165 has 8 divisors (see below), whose sum is σ = 113961888. Its totient is φ = 37987280.

The previous prime is 71226161. The next prime is 71226191. The reversal of 71226165 is 56162217.

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

It is not a de Polignac number, because 71226165 - 2² = 71226161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71226161) 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, 2374191 + ... + 2374220.

It is an arithmetic number, because the mean of its divisors is an integer number (14245236).

Almost surely, 2^71226165 is an apocalyptic number.

It is an amenable number.

71226165 is a deficient number, since it is larger than the sum of its proper divisors (42735723).

71226165 is a wasteful number, since it uses less digits than its factorization.

71226165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748419.

The product of its digits is 5040, while the sum is 30.

The square root of 71226165 is about 8439.5595264208. The cubic root of 71226165 is about 414.5209840555.

The spelling of 71226165 in words is "seventy-one million, two hundred twenty-six thousand, one hundred sixty-five".