330032730 has 64 divisors (see below), whose sum is σ = 840803328. Its totient is φ = 82621440.

The previous prime is 330032719. The next prime is 330032767. The reversal of 330032730 is 37230033.

It is a junction number, because it is equal to n+sod(n) for n = 330032697 and 330032706.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 332535 + ... + 333525.

It is an arithmetic number, because the mean of its divisors is an integer number (13137552).

Almost surely, 2^330032730 is an apocalyptic number.

330032730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 330032730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420401664).

330032730 is an abundant number, since it is smaller than the sum of its proper divisors (510770598).

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

330032730 is a wasteful number, since it uses less digits than its factorization.

330032730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 1134, while the sum is 21.

The square root of 330032730 is about 18166.8029658495. The cubic root of 330032730 is about 691.0651685239.

Adding to 330032730 its reverse (37230033), we get a palindrome (367262763).

The spelling of 330032730 in words is "three hundred thirty million, thirty-two thousand, seven hundred thirty".