75508133 has 4 divisors (see below), whose sum is σ = 75626208. Its totient is φ = 75390060.

The previous prime is 75508127. The next prime is 75508159. The reversal of 75508133 is 33180557.

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: 33180557 = 3559 ⋅9323.

It is a cyclic number.

It is not a de Polignac number, because 75508133 - 2⁴ = 75508117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75508133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75508193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58073 + ... + 59358.

It is an arithmetic number, because the mean of its divisors is an integer number (18906552).

Almost surely, 2^75508133 is an apocalyptic number.

It is an amenable number.

75508133 is a deficient number, since it is larger than the sum of its proper divisors (118075).

75508133 is a wasteful number, since it uses less digits than its factorization.

75508133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118074.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 75508133 is about 8689.5415874487. The cubic root of 75508133 is about 422.6665809055. Note that the first 3 decimals are identical.

The spelling of 75508133 in words is "seventy-five million, five hundred eight thousand, one hundred thirty-three".