30670848 has 114 divisors (see below), whose sum is σ = 95420234. Its totient is φ = 9437184.

The previous prime is 30670847. The next prime is 30670859. The reversal of 30670848 is 84807603.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 9437184 = 4608^2 + 3072^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30670841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359290 + ... + 2359302.

Almost surely, 2^30670848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30670848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47710117).

30670848 is an abundant number, since it is smaller than the sum of its proper divisors (64749386).

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

30670848 is an frugal number, since it uses more digits than its factorization.

30670848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 30670848 is about 5538.1267591127. The cubic root of 30670848 is about 313.0222877766.

The spelling of 30670848 in words is "thirty million, six hundred seventy thousand, eight hundred forty-eight".