71730125 has 32 divisors (see below), whose sum is σ = 93809664. Its totient is φ = 54696000.

The previous prime is 71730107. The next prime is 71730143. The reversal of 71730125 is 52103717.

It is an interprime number because it is at equal distance from previous prime (71730107) and next prime (71730143).

It is not a de Polignac number, because 71730125 - 2¹⁶ = 71664589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71730094 and 71730103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414539 + ... + 414711.

It is an arithmetic number, because the mean of its divisors is an integer number (2931552).

Almost surely, 2^71730125 is an apocalyptic number.

It is an amenable number.

71730125 is a deficient number, since it is larger than the sum of its proper divisors (22079539).

71730125 is a wasteful number, since it uses less digits than its factorization.

71730125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 71730125 is about 8469.3639076379. The cubic root of 71730125 is about 415.4963336249.

The spelling of 71730125 in words is "seventy-one million, seven hundred thirty thousand, one hundred twenty-five".