30874206 has 64 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 8876160.

The previous prime is 30874163. The next prime is 30874213. The reversal of 30874206 is 60247803.

It is a super-2 number, since 2×30874206² = 1906433192260872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114640 + ... + 114908.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^30874206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30874206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35458560).

30874206 is an abundant number, since it is smaller than the sum of its proper divisors (40042914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30874206 is a wasteful number, since it uses less digits than its factorization.

30874206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30874206 is about 5556.4562447661. The cubic root of 30874206 is about 313.7125786176.

The spelling of 30874206 in words is "thirty million, eight hundred seventy-four thousand, two hundred six".