71226113 has 4 divisors (see below), whose sum is σ = 81401280. Its totient is φ = 61050948.

The previous prime is 71226097. The next prime is 71226119. The reversal of 71226113 is 31162217.

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 not a de Polignac number, because 71226113 - 2⁴ = 71226097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71226119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087573 + ... + 5087586.

It is an arithmetic number, because the mean of its divisors is an integer number (20350320).

Almost surely, 2^71226113 is an apocalyptic number.

It is an amenable number.

71226113 is a deficient number, since it is larger than the sum of its proper divisors (10175167).

71226113 is a wasteful number, since it uses less digits than its factorization.

71226113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175166.

The product of its digits is 504, while the sum is 23.

The square root of 71226113 is about 8439.5564456907. The cubic root of 71226113 is about 414.5208831791.

The spelling of 71226113 in words is "seventy-one million, two hundred twenty-six thousand, one hundred thirteen".