71125873 has 32 divisors (see below), whose sum is σ = 95191040. Its totient is φ = 51554880.

The previous prime is 71125861. The next prime is 71125891. The reversal of 71125873 is 37852117.

It is a de Polignac number, because none of the positive numbers 2^k-71125873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71125823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52936 + ... + 54262.

It is an arithmetic number, because the mean of its divisors is an integer number (2974720).

Almost surely, 2^71125873 is an apocalyptic number.

It is an amenable number.

71125873 is a deficient number, since it is larger than the sum of its proper divisors (24065167).

71125873 is a wasteful number, since it uses less digits than its factorization.

71125873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its digits is 11760, while the sum is 34.

The square root of 71125873 is about 8433.6156540359. The cubic root of 71125873 is about 414.3263333652.

The spelling of 71125873 in words is "seventy-one million, one hundred twenty-five thousand, eight hundred seventy-three".