30970450 has 36 divisors (see below), whose sum is σ = 67015242. Its totient is φ = 10617600.

The previous prime is 30970439. The next prime is 30970453. The reversal of 30970450 is 5407903.

It can be written as a sum of positive squares in 3 ways, for example, as 11336689 + 19633761 = 3367^2 + 4431^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30970453) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 3871 + ... + 8770.

Almost surely, 2^30970450 is an apocalyptic number.

30970450 is an abundant number, since it is smaller than the sum of its proper divisors (36044792).

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

30970450 is a wasteful number, since it uses less digits than its factorization.

30970450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12667 (or 12655 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 30970450 is about 5565.1100618047. The cubic root of 30970450 is about 314.0382186701.

The spelling of 30970450 in words is "thirty million, nine hundred seventy thousand, four hundred fifty".