30842475 has 12 divisors (see below), whose sum is σ = 50993016. Its totient is φ = 16449280.

The previous prime is 30842467. The next prime is 30842477. The reversal of 30842475 is 57424803.

It is not a de Polignac number, because 30842475 - 2³ = 30842467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30842477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205542 + ... + 205691.

It is an arithmetic number, because the mean of its divisors is an integer number (4249418).

Almost surely, 2^30842475 is an apocalyptic number.

30842475 is a deficient number, since it is larger than the sum of its proper divisors (20150541).

30842475 is a wasteful number, since it uses less digits than its factorization.

30842475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411246 (or 411241 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 30842475 is about 5553.6001836646. The cubic root of 30842475 is about 313.6050689594.

The spelling of 30842475 in words is "thirty million, eight hundred forty-two thousand, four hundred seventy-five".