30530994 has 64 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 8951040.

The previous prime is 30530993. The next prime is 30530999. The reversal of 30530994 is 49903503.

It is not an unprimeable number, because it can be changed into a prime (30530993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204832 + ... + 204980.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^30530994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30530994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473600).

30530994 is an abundant number, since it is smaller than the sum of its proper divisors (38416206).

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

30530994 is a wasteful number, since it uses less digits than its factorization.

30530994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 30530994 is about 5525.4858609900. The cubic root of 30530994 is about 312.5457861446.

The spelling of 30530994 in words is "thirty million, five hundred thirty thousand, nine hundred ninety-four".