30967340 has 48 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 11650752.

The previous prime is 30967337. The next prime is 30967379. The reversal of 30967340 is 4376903.

It is a super-2 number, since 2×30967340² = 1917952293351200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30967297 and 30967306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86081 + ... + 86439.

It is an arithmetic number, because the mean of its divisors is an integer number (1436400).

Almost surely, 2^30967340 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 30967340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473600).

30967340 is an abundant number, since it is smaller than the sum of its proper divisors (37979860).

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

30967340 is a wasteful number, since it uses less digits than its factorization.

30967340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 30967340 is about 5564.8306353383. The cubic root of 30967340 is about 314.0277065900.

The spelling of 30967340 in words is "thirty million, nine hundred sixty-seven thousand, three hundred forty".