30080730 has 32 divisors (see below), whose sum is σ = 72864000. Its totient is φ = 7947072.

The previous prime is 30080717. The next prime is 30080731. The reversal of 30080730 is 3708003.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30080697 and 30080706.

It is not an unprimeable number, because it can be changed into a prime (30080731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330 + ... + 7869.

It is an arithmetic number, because the mean of its divisors is an integer number (2277000).

Almost surely, 2^30080730 is an apocalyptic number.

30080730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30080730 is an abundant number, since it is smaller than the sum of its proper divisors (42783270).

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

30080730 is a wasteful number, since it uses less digits than its factorization.

30080730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9318.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30080730 is about 5484.5902308194. The cubic root of 30080730 is about 311.0017197135.

Adding to 30080730 its reverse (3708003), we get a palindrome (33788733).

The spelling of 30080730 in words is "thirty million, eighty thousand, seven hundred thirty".