30040875 has 96 divisors (see below), whose sum is σ = 59963904. Its totient is φ = 14968800.

The previous prime is 30040859. The next prime is 30040889. The reversal of 30040875 is 57804003.

It is not a de Polignac number, because 30040875 - 2⁴ = 30040859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 698604 + ... + 698646.

It is an arithmetic number, because the mean of its divisors is an integer number (624624).

Almost surely, 2^30040875 is an apocalyptic number.

30040875 is a deficient number, since it is larger than the sum of its proper divisors (29923029).

30040875 is an equidigital number, since it uses as much as digits as its factorization.

30040875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 30040875 is about 5480.9556648453. The cubic root of 30040875 is about 310.8643066948.

Adding to 30040875 its reverse (57804003), we get a palindrome (87844878).

The spelling of 30040875 in words is "thirty million, forty thousand, eight hundred seventy-five".