75332139 has 8 divisors (see below), whose sum is σ = 103683072. Its totient is φ = 48601320.

The previous prime is 75332123. The next prime is 75332141. The reversal of 75332139 is 93123357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75332139 - 2⁴ = 75332123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75332639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404919 + ... + 405104.

It is an arithmetic number, because the mean of its divisors is an integer number (12960384).

Almost surely, 2^75332139 is an apocalyptic number.

75332139 is a deficient number, since it is larger than the sum of its proper divisors (28350933).

75332139 is a wasteful number, since it uses less digits than its factorization.

75332139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810057.

The product of its digits is 17010, while the sum is 33.

The square root of 75332139 is about 8679.4089084453. The cubic root of 75332139 is about 422.3379423527.

The spelling of 75332139 in words is "seventy-five million, three hundred thirty-two thousand, one hundred thirty-nine".