30075489 has 16 divisors (see below), whose sum is σ = 45169600. Its totient is φ = 19774368.

The previous prime is 30075469. The next prime is 30075491. The reversal of 30075489 is 98457003.

It is not a de Polignac number, because 30075489 - 2²⁰ = 29026913 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 (30075439) 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, 5659 + ... + 9600.

It is an arithmetic number, because the mean of its divisors is an integer number (2823100).

Almost surely, 2^30075489 is an apocalyptic number.

It is an amenable number.

30075489 is a deficient number, since it is larger than the sum of its proper divisors (15094111).

30075489 is a wasteful number, since it uses less digits than its factorization.

30075489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15341 (or 15335 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 30075489 is about 5484.1124167909. The cubic root of 30075489 is about 310.9836566026.

The spelling of 30075489 in words is "thirty million, seventy-five thousand, four hundred eighty-nine".