330780672 has 130 divisors (see below), whose sum is σ = 989128778. Its totient is φ = 110149632.

The previous prime is 330780643. The next prime is 330780683. The reversal of 330780672 is 276087033.

It can be written as a sum of positive squares in only one way, i.e., 318836736 + 11943936 = 17856^2 + 3456^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 331278 + ... + 332274.

Almost surely, 2^330780672 is an apocalyptic number.

330780672 is a gapful number since it is divisible by the number (32) 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 330780672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494564389).

330780672 is an abundant number, since it is smaller than the sum of its proper divisors (658348106).

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

330780672 is an frugal number, since it uses more digits than its factorization.

330780672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 330780672 is about 18187.3767212317. The cubic root of 330780672 is about 691.5868205179.

The spelling of 330780672 in words is "three hundred thirty million, seven hundred eighty thousand, six hundred seventy-two".