75505125 has 64 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 37856000.

The previous prime is 75505121. The next prime is 75505127. The reversal of 75505125 is 52150557.

It is not a de Polignac number, because 75505125 - 2² = 75505121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75505092 and 75505101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75505121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 576310 + ... + 576440.

It is an arithmetic number, because the mean of its divisors is an integer number (2084940).

Almost surely, 2^75505125 is an apocalyptic number.

75505125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75505125 is a deficient number, since it is larger than the sum of its proper divisors (57931035).

75505125 is a wasteful number, since it uses less digits than its factorization.

75505125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 75505125 is about 8689.3685040974. The cubic root of 75505125 is about 422.6609682740.

The spelling of 75505125 in words is "seventy-five million, five hundred five thousand, one hundred twenty-five".