75030003 has 12 divisors (see below), whose sum is σ = 111222280. Its totient is φ = 49989996.

The previous prime is 75029947. The next prime is 75030023. The reversal of 75030003 is 30003057.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 75030003 - 2⁹ = 75029491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75030023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44176 + ... + 45842.

Almost surely, 2^75030003 is an apocalyptic number.

75030003 is a deficient number, since it is larger than the sum of its proper divisors (36192277).

75030003 is an frugal number, since it uses more digits than its factorization.

75030003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 75030003 is about 8661.9860886520. The cubic root of 75030003 is about 421.7725596211.

The spelling of 75030003 in words is "seventy-five million, thirty thousand, three".