30718080 has 96 divisors (see below), whose sum is σ = 106093260. Its totient is φ = 8189952.

The previous prime is 30718069. The next prime is 30718097. The reversal of 30718080 is 8081703.

It can be written as a sum of positive squares in 2 ways, for example, as 28132416 + 2585664 = 5304^2 + 1608^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3094 + ... + 8426.

Almost surely, 2^30718080 is an apocalyptic number.

30718080 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 30718080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53046630).

30718080 is an abundant number, since it is smaller than the sum of its proper divisors (75375180).

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

30718080 is a wasteful number, since it uses less digits than its factorization.

30718080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358 (or 5343 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 30718080 is about 5542.3893764332. The cubic root of 30718080 is about 313.1828863782.

Adding to 30718080 its reverse (8081703), we get a palindrome (38799783).

The spelling of 30718080 in words is "thirty million, seven hundred eighteen thousand, eighty".