71226051 has 16 divisors (see below), whose sum is σ = 102429600. Its totient is φ = 43764480.

The previous prime is 71226049. The next prime is 71226083. The reversal of 71226051 is 15062217.

It is not a de Polignac number, because 71226051 - 2¹ = 71226049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71226151) 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, 40041 + ... + 41781.

It is an arithmetic number, because the mean of its divisors is an integer number (6401850).

Almost surely, 2^71226051 is an apocalyptic number.

71226051 is a deficient number, since it is larger than the sum of its proper divisors (31203549).

71226051 is a wasteful number, since it uses less digits than its factorization.

71226051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 71226051 is about 8439.5527725111. The cubic root of 71226051 is about 414.5207629035.

Adding to 71226051 its reverse (15062217), we get a palindrome (86288268).

The spelling of 71226051 in words is "seventy-one million, two hundred twenty-six thousand, fifty-one".