71160725 has 12 divisors (see below), whose sum is σ = 93430404. Its totient is φ = 53579520.

The previous prime is 71160703. The next prime is 71160787. The reversal of 71160725 is 52706117.

It can be written as a sum of positive squares in 6 ways, for example, as 5193841 + 65966884 = 2279^2 + 8122^2 .

It is not a de Polignac number, because 71160725 - 2²⁰ = 70112149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83294 + ... + 84143.

It is an arithmetic number, because the mean of its divisors is an integer number (7785867).

Almost surely, 2^71160725 is an apocalyptic number.

It is an amenable number.

71160725 is a deficient number, since it is larger than the sum of its proper divisors (22269679).

71160725 is a wasteful number, since it uses less digits than its factorization.

71160725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167464 (or 167459 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 71160725 is about 8435.6816559185. The cubic root of 71160725 is about 414.3939962415.

The spelling of 71160725 in words is "seventy-one million, one hundred sixty thousand, seven hundred twenty-five".