75429525 has 48 divisors (see below), whose sum is σ = 134435840. Its totient is φ = 37195200.

The previous prime is 75429521. The next prime is 75429577. The reversal of 75429525 is 52592457.

It is not a de Polignac number, because 75429525 - 2² = 75429521 is a prime.

It is a super-2 number, since 2×75429525² = 11379226483451250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75429521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60660 + ... + 61890.

Almost surely, 2^75429525 is an apocalyptic number.

75429525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75429525 is a deficient number, since it is larger than the sum of its proper divisors (59006315).

75429525 is a wasteful number, since it uses less digits than its factorization.

75429525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1301 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 75429525 is about 8685.0172711400. The cubic root of 75429525 is about 422.5198571482.

The spelling of 75429525 in words is "seventy-five million, four hundred twenty-nine thousand, five hundred twenty-five".