30274945 has 16 divisors (see below), whose sum is σ = 36945360. Its totient is φ = 23814144.

The previous prime is 30274939. The next prime is 30274963. The reversal of 30274945 is 54947203.

It can be written as a sum of positive squares in 8 ways, for example, as 288369 + 29986576 = 537^2 + 5476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30274945 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30274945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132091 + ... + 132319.

It is an arithmetic number, because the mean of its divisors is an integer number (2309085).

Almost surely, 2^30274945 is an apocalyptic number.

It is an amenable number.

30274945 is a deficient number, since it is larger than the sum of its proper divisors (6670415).

30274945 is a wasteful number, since it uses less digits than its factorization.

30274945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 30274945 is about 5502.2672599575. The cubic root of 30274945 is about 311.6696076565.

The spelling of 30274945 in words is "thirty million, two hundred seventy-four thousand, nine hundred forty-five".