30421075 has 24 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 22156800.

The previous prime is 30421051. The next prime is 30421117. The reversal of 30421075 is 57012403.

It is not a de Polignac number, because 30421075 - 2¹³ = 30412883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12021 + ... + 14329.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^30421075 is an apocalyptic number.

30421075 is a deficient number, since it is larger than the sum of its proper divisors (10826285).

30421075 is a wasteful number, since it uses less digits than its factorization.

30421075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 30421075 is about 5515.5303462133. The cubic root of 30421075 is about 312.1702548471.

Adding to 30421075 its reverse (57012403), we get a palindrome (87433478).

The spelling of 30421075 in words is "thirty million, four hundred twenty-one thousand, seventy-five".