30664680 has 64 divisors (see below), whose sum is σ = 93968640. Its totient is φ = 8001792.

The previous prime is 30664663. The next prime is 30664693. The reversal of 30664680 is 8646603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922 + ... + 8358.

It is an arithmetic number, because the mean of its divisors is an integer number (1468260).

Almost surely, 2^30664680 is an apocalyptic number.

30664680 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 30664680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46984320).

30664680 is an abundant number, since it is smaller than the sum of its proper divisors (63303960).

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

30664680 is a wasteful number, since it uses less digits than its factorization.

30664680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498 (or 5494 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 30664680 is about 5537.5698641191. The cubic root of 30664680 is about 313.0013031279.

The spelling of 30664680 in words is "thirty million, six hundred sixty-four thousand, six hundred eighty".