71273125 has 40 divisors (see below), whose sum is σ = 111114432. Its totient is φ = 44400000.

The previous prime is 71273101. The next prime is 71273131. The reversal of 71273125 is 52137217.

It is not a de Polignac number, because 71273125 - 2⁵ = 71273093 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 71273093 and 71273102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47385 + ... + 48865.

Almost surely, 2^71273125 is an apocalyptic number.

It is an amenable number.

71273125 is a deficient number, since it is larger than the sum of its proper divisors (39841307).

71273125 is a wasteful number, since it uses less digits than its factorization.

71273125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1504 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 71273125 is about 8442.3412037183. The cubic root of 71273125 is about 414.6120630804.

It can be divided in two parts, 712 and 73125, that added together give a palindrome (73837).

The spelling of 71273125 in words is "seventy-one million, two hundred seventy-three thousand, one hundred twenty-five".