30520914 has 16 divisors (see below), whose sum is σ = 61134528. Its totient is φ = 10158192.

The previous prime is 30520913. The next prime is 30520921. The reversal of 30520914 is 41902503.

It is not an unprimeable number, because it can be changed into a prime (30520913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864 + ... + 7860.

It is an arithmetic number, because the mean of its divisors is an integer number (3820908).

Almost surely, 2^30520914 is an apocalyptic number.

30520914 is an abundant number, since it is smaller than the sum of its proper divisors (30613614).

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

30520914 is a wasteful number, since it uses less digits than its factorization.

30520914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30520914 is about 5524.5736487081. The cubic root of 30520914 is about 312.5113860385.

The spelling of 30520914 in words is "thirty million, five hundred twenty thousand, nine hundred fourteen".