75138203 has 8 divisors (see below), whose sum is σ = 88642560. Its totient is φ = 62326440.

The previous prime is 75138197. The next prime is 75138209. The reversal of 75138203 is 30283157.

It is an interprime number because it is at equal distance from previous prime (75138197) and next prime (75138209).

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

It is a cyclic number.

It is not a de Polignac number, because 75138203 - 2¹⁸ = 74876059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75138209) 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 7 ways as a sum of consecutive naturals, for example, 172913 + ... + 173346.

It is an arithmetic number, because the mean of its divisors is an integer number (11080320).

Almost surely, 2^75138203 is an apocalyptic number.

75138203 is a deficient number, since it is larger than the sum of its proper divisors (13504357).

75138203 is a wasteful number, since it uses less digits than its factorization.

75138203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346297.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 75138203 is about 8668.2295193425. The cubic root of 75138203 is about 421.9752068720.

The spelling of 75138203 in words is "seventy-five million, one hundred thirty-eight thousand, two hundred three".