30974480 has 40 divisors (see below), whose sum is σ = 72304152. Its totient is φ = 12340224.

The previous prime is 30974431. The next prime is 30974483. The reversal of 30974480 is 8447903.

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 30647296 = 572^2 + 5536^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×30974480² = 1918836822540800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30974480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30974483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24422 + ... + 25658.

Almost surely, 2^30974480 is an apocalyptic number.

It is an amenable number.

30974480 is an abundant number, since it is smaller than the sum of its proper divisors (41329672).

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

30974480 is a wasteful number, since it uses less digits than its factorization.

30974480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30974480 is about 5565.4721273222. The cubic root of 30974480 is about 314.0518393863.

The spelling of 30974480 in words is "thirty million, nine hundred seventy-four thousand, four hundred eighty".