71056773 has 24 divisors (see below), whose sum is σ = 104658840. Its totient is φ = 46448640.

The previous prime is 71056747. The next prime is 71056819. The reversal of 71056773 is 37765017.

It can be written as a sum of positive squares in 4 ways, for example, as 10870209 + 60186564 = 3297^2 + 7758^2 .

It is not a de Polignac number, because 71056773 - 2⁹ = 71056261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71056703) 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 23 ways as a sum of consecutive naturals, for example, 110533 + ... + 111173.

It is an arithmetic number, because the mean of its divisors is an integer number (4360785).

Almost surely, 2^71056773 is an apocalyptic number.

It is an amenable number.

71056773 is a deficient number, since it is larger than the sum of its proper divisors (33602067).

71056773 is a wasteful number, since it uses less digits than its factorization.

71056773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 71056773 is about 8429.5179577482. The cubic root of 71056773 is about 414.1921148549.

The spelling of 71056773 in words is "seventy-one million, fifty-six thousand, seven hundred seventy-three".