30480660 has 144 divisors (see below), whose sum is σ = 111960576. Its totient is φ = 6552576.

The previous prime is 30480647. The next prime is 30480707. The reversal of 30480660 is 6608403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20709 + ... + 22131.

It is an arithmetic number, because the mean of its divisors is an integer number (777504).

Almost surely, 2^30480660 is an apocalyptic number.

30480660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30480660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55980288).

30480660 is an abundant number, since it is smaller than the sum of its proper divisors (81479916).

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

30480660 is a wasteful number, since it uses less digits than its factorization.

30480660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30480660 is about 5520.9292696067. The cubic root of 30480660 is about 312.3739352848.

It can be divided in two parts, 30 and 480660, that added together give a triangular number (480690 = T₉₈₀).

The spelling of 30480660 in words is "thirty million, four hundred eighty thousand, six hundred sixty".