30040375 has 16 divisors (see below), whose sum is σ = 38787840. Its totient is φ = 23200800.

The previous prime is 30040363. The next prime is 30040397. The reversal of 30040375 is 57304003.

It is not a de Polignac number, because 30040375 - 2¹⁹ = 29516087 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 519 + ... + 7768.

It is an arithmetic number, because the mean of its divisors is an integer number (2424240).

Almost surely, 2^30040375 is an apocalyptic number.

30040375 is a deficient number, since it is larger than the sum of its proper divisors (8747465).

30040375 is an equidigital number, since it uses as much as digits as its factorization.

30040375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331 (or 8321 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 30040375 is about 5480.9100521720. The cubic root of 30040375 is about 310.8625820111.

Adding to 30040375 its reverse (57304003), we get a palindrome (87344378).

The spelling of 30040375 in words is "thirty million, forty thousand, three hundred seventy-five".