71130873 has 32 divisors (see below), whose sum is σ = 110702592. Its totient is φ = 40147200.

The previous prime is 71130869. The next prime is 71130877. The reversal of 71130873 is 37803117.

It is an interprime number because it is at equal distance from previous prime (71130869) and next prime (71130877).

It is not a de Polignac number, because 71130873 - 2² = 71130869 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71130873.

It is not an unprimeable number, because it can be changed into a prime (71130877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57168 + ... + 58398.

It is an arithmetic number, because the mean of its divisors is an integer number (3459456).

Almost surely, 2^71130873 is an apocalyptic number.

It is an amenable number.

71130873 is a deficient number, since it is larger than the sum of its proper divisors (39571719).

71130873 is a wasteful number, since it uses less digits than its factorization.

71130873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 71130873 is about 8433.9120815906. The cubic root of 71130873 is about 414.3360418957.

The spelling of 71130873 in words is "seventy-one million, one hundred thirty thousand, eight hundred seventy-three".