71271706 has 16 divisors (see below), whose sum is σ = 116756640. Its totient is φ = 32360080.

The previous prime is 71271691. The next prime is 71271709. The reversal of 71271706 is 60717217.

It is not an unprimeable number, because it can be changed into a prime (71271709) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35025 + ... + 37003.

It is an arithmetic number, because the mean of its divisors is an integer number (7297290).

Almost surely, 2^71271706 is an apocalyptic number.

71271706 is a deficient number, since it is larger than the sum of its proper divisors (45484934).

71271706 is a wasteful number, since it uses less digits than its factorization.

71271706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 71271706 is about 8442.2571626313. The cubic root of 71271706 is about 414.6093115130.

The spelling of 71271706 in words is "seventy-one million, two hundred seventy-one thousand, seven hundred six".