71226272266 has 32 divisors (see below), whose sum is σ = 115370956800. Its totient is φ = 32901939840.

The previous prime is 71226272263. The next prime is 71226272309. The reversal of 71226272266 is 66227262217.

It is not an unprimeable number, because it can be changed into a prime (71226272263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62530 + ... + 382573.

It is an arithmetic number, because the mean of its divisors is an integer number (3605342400).

Almost surely, 2^71226272266 is an apocalyptic number.

71226272266 is a deficient number, since it is larger than the sum of its proper divisors (44144684534).

71226272266 is a wasteful number, since it uses less digits than its factorization.

71226272266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445254.

The product of its digits is 338688, while the sum is 43.

The spelling of 71226272266 in words is "seventy-one billion, two hundred twenty-six million, two hundred seventy-two thousand, two hundred sixty-six".