30480534 has 48 divisors (see below), whose sum is σ = 77096448. Its totient is φ = 8521776.

The previous prime is 30480523. The next prime is 30480553. The reversal of 30480534 is 43508403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30480498 and 30480507.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3349 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (1606176).

Almost surely, 2^30480534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30480534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38548224).

30480534 is an abundant number, since it is smaller than the sum of its proper divisors (46615914).

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

30480534 is a wasteful number, since it uses less digits than its factorization.

30480534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209 (or 5206 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30480534 is about 5520.9178584724. The cubic root of 30480534 is about 312.3735048570.

Adding to 30480534 its reverse (43508403), we get a palindrome (73988937).

The spelling of 30480534 in words is "thirty million, four hundred eighty thousand, five hundred thirty-four".