71122066 has 8 divisors (see below), whose sum is σ = 109566540. Its totient is φ = 34599888.

The previous prime is 71122027. The next prime is 71122147. The reversal of 71122066 is 66022117.

It can be written as a sum of positive squares in 2 ways, for example, as 61168041 + 9954025 = 7821^2 + 3155^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71122066.

It is an unprimeable number.

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, 480481 + ... + 480628.

Almost surely, 2^71122066 is an apocalyptic number.

71122066 is a deficient number, since it is larger than the sum of its proper divisors (38444474).

71122066 is a wasteful number, since it uses less digits than its factorization.

71122066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961148.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 71122066 is about 8433.3899471091. The cubic root of 71122066 is about 414.3189409849.

The spelling of 71122066 in words is "seventy-one million, one hundred twenty-two thousand, sixty-six".