30360720 has 160 divisors (see below), whose sum is σ = 104493312. Its totient is φ = 7243776.

The previous prime is 30360703. The next prime is 30360721. The reversal of 30360720 is 2706303.

It is not an unprimeable number, because it can be changed into a prime (30360721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115309 + ... + 115571.

Almost surely, 2^30360720 is an apocalyptic number.

30360720 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 30360720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52246656).

30360720 is an abundant number, since it is smaller than the sum of its proper divisors (74132592).

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

30360720 is a wasteful number, since it uses less digits than its factorization.

30360720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30360720 is about 5510.0562610558. The cubic root of 30360720 is about 311.9636709837.

The spelling of 30360720 in words is "thirty million, three hundred sixty thousand, seven hundred twenty".