75132289 has 4 divisors (see below), whose sum is σ = 79086640. Its totient is φ = 71177940.

The previous prime is 75132241. The next prime is 75132319. The reversal of 75132289 is 98223157.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98223157 = 7603 ⋅12919.

It is a cyclic number.

It is not a de Polignac number, because 75132289 - 2¹⁷ = 75001217 is a prime.

It is a super-3 number, since 3×75132289³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75132209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977147 + ... + 1977184.

It is an arithmetic number, because the mean of its divisors is an integer number (19771660).

Almost surely, 2^75132289 is an apocalyptic number.

It is an amenable number.

75132289 is a deficient number, since it is larger than the sum of its proper divisors (3954351).

75132289 is a wasteful number, since it uses less digits than its factorization.

75132289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954350.

The product of its digits is 30240, while the sum is 37.

The square root of 75132289 is about 8667.8883818379. Note that the first 3 decimals coincide. The cubic root of 75132289 is about 421.9641355983.

The spelling of 75132289 in words is "seventy-five million, one hundred thirty-two thousand, two hundred eighty-nine".