75217125 has 16 divisors (see below), whose sum is σ = 125161920. Its totient is φ = 40115600.

The previous prime is 75217117. The next prime is 75217127. The reversal of 75217125 is 52171257.

It is not a de Polignac number, because 75217125 - 2³ = 75217117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75217092 and 75217101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75217127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99915 + ... + 100664.

It is an arithmetic number, because the mean of its divisors is an integer number (7822620).

Almost surely, 2^75217125 is an apocalyptic number.

75217125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75217125 is a deficient number, since it is larger than the sum of its proper divisors (49944795).

75217125 is a wasteful number, since it uses less digits than its factorization.

75217125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200597 (or 200587 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 75217125 is about 8672.7806959475. The cubic root of 75217125 is about 422.1228968295.

The spelling of 75217125 in words is "seventy-five million, two hundred seventeen thousand, one hundred twenty-five".