326766720 has 256 divisors, whose sum is σ = 1221454080. Its totient is φ = 72744960.

The previous prime is 326766709. The next prime is 326766743. The reversal of 326766720 is 27667623.

326766720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550744 + ... + 551336.

It is an arithmetic number, because the mean of its divisors is an integer number (4771305).

Almost surely, 2^326766720 is an apocalyptic number.

326766720 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 326766720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610727040).

326766720 is an abundant number, since it is smaller than the sum of its proper divisors (894687360).

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

326766720 is a wasteful number, since it uses less digits than its factorization.

326766720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 326766720 is about 18076.6899624904. The cubic root of 326766720 is about 688.7780093637.

The spelling of 326766720 in words is "three hundred twenty-six million, seven hundred sixty-six thousand, seven hundred twenty".