75384133 has 16 divisors (see below), whose sum is σ = 88142976. Its totient is φ = 63771840.

The previous prime is 75384131. The next prime is 75384143. The reversal of 75384133 is 33148357.

It is not a de Polignac number, because 75384133 - 2¹ = 75384131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75384131) 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 15 ways as a sum of consecutive naturals, for example, 5335 + ... + 13387.

It is an arithmetic number, because the mean of its divisors is an integer number (5508936).

Almost surely, 2^75384133 is an apocalyptic number.

It is an amenable number.

75384133 is a deficient number, since it is larger than the sum of its proper divisors (12758843).

75384133 is a wasteful number, since it uses less digits than its factorization.

75384133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124.

The product of its digits is 30240, while the sum is 34.

The square root of 75384133 is about 8682.4036418494. The cubic root of 75384133 is about 422.4350854366.

The spelling of 75384133 in words is "seventy-five million, three hundred eighty-four thousand, one hundred thirty-three".