30034520 has 16 divisors (see below), whose sum is σ = 67577760. Its totient is φ = 12013792.

The previous prime is 30034519. The next prime is 30034523. The reversal of 30034520 is 2543003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30034523) 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 3 ways as a sum of consecutive naturals, for example, 375392 + ... + 375471.

It is an arithmetic number, because the mean of its divisors is an integer number (4223610).

Almost surely, 2^30034520 is an apocalyptic number.

It is an amenable number.

30034520 is an abundant number, since it is smaller than the sum of its proper divisors (37543240).

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

30034520 is a wasteful number, since it uses less digits than its factorization.

30034520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750874 (or 750870 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 30034520 is about 5480.3758995164. The cubic root of 30034520 is about 310.8423845416.

Adding to 30034520 its reverse (2543003), we get a palindrome (32577523).

The spelling of 30034520 in words is "thirty million, thirty-four thousand, five hundred twenty".