30870434 has 8 divisors (see below), whose sum is σ = 52920768. Its totient is φ = 13230180.

The previous prime is 30870397. The next prime is 30870457. The reversal of 30870434 is 43407803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30870397 and 30870406.

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 3 ways as a sum of consecutive naturals, for example, 1102502 + ... + 1102529.

It is an arithmetic number, because the mean of its divisors is an integer number (6615096).

Almost surely, 2^30870434 is an apocalyptic number.

30870434 is a deficient number, since it is larger than the sum of its proper divisors (22050334).

30870434 is a wasteful number, since it uses less digits than its factorization.

30870434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205040.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 30870434 is about 5556.1168094272. The cubic root of 30870434 is about 313.6998023426.

The spelling of 30870434 in words is "thirty million, eight hundred seventy thousand, four hundred thirty-four".