75189082 has 4 divisors (see below), whose sum is σ = 112783626. Its totient is φ = 37594540.

The previous prime is 75189077. The next prime is 75189089. The reversal of 75189082 is 28098157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28098157 = 23 ⋅1221659.

It can be written as a sum of positive squares in only one way, i.e., 74839801 + 349281 = 8651^2 + 591^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (75189089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18797269 + ... + 18797272.

Almost surely, 2^75189082 is an apocalyptic number.

75189082 is a deficient number, since it is larger than the sum of its proper divisors (37594544).

75189082 is a wasteful number, since it uses less digits than its factorization.

75189082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37594543.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 75189082 is about 8671.1638203877. The cubic root of 75189082 is about 422.0704306576.

The spelling of 75189082 in words is "seventy-five million, one hundred eighty-nine thousand, eighty-two".