30375009 has 48 divisors (see below), whose sum is σ = 52609024. Its totient is φ = 16524000.

The previous prime is 30375001. The next prime is 30375013. The reversal of 30375009 is 90057303.

It is not a de Polignac number, because 30375009 - 2³ = 30375001 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 (30375001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201084 + ... + 201234.

Almost surely, 2^30375009 is an apocalyptic number.

It is an amenable number.

30375009 is a deficient number, since it is larger than the sum of its proper divisors (22234015).

30375009 is a wasteful number, since it uses less digits than its factorization.

30375009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 30375009 is about 5511.3527377587. The cubic root of 30375009 is about 312.0126042738.

The spelling of 30375009 in words is "thirty million, three hundred seventy-five thousand, nine".