30047340 has 48 divisors (see below), whose sum is σ = 84722400. Its totient is φ = 7956480.

The previous prime is 30047333. The next prime is 30047357. The reversal of 30047340 is 4374003.

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, 7260 + ... + 10620.

It is an arithmetic number, because the mean of its divisors is an integer number (1765050).

Almost surely, 2^30047340 is an apocalyptic number.

30047340 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 30047340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42361200).

30047340 is an abundant number, since it is smaller than the sum of its proper divisors (54675060).

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

30047340 is a wasteful number, since it uses less digits than its factorization.

30047340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 30047340 is about 5481.5454025302. The cubic root of 30047340 is about 310.8866051308.

The spelling of 30047340 in words is "thirty million, forty-seven thousand, three hundred forty".