326652720 has 40 divisors (see below), whose sum is σ = 1012624176. Its totient is φ = 87107328.

The previous prime is 326652709. The next prime is 326652721. The reversal of 326652720 is 27256623.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (326652721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680287 + ... + 680766.

Almost surely, 2^326652720 is an apocalyptic number.

326652720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326652720 is an abundant number, since it is smaller than the sum of its proper divisors (685971456).

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

326652720 is a wasteful number, since it uses less digits than its factorization.

326652720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361069 (or 1361063 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 326652720 is about 18073.5364552707. The cubic root of 326652720 is about 688.6979014241.

The spelling of 326652720 in words is "three hundred twenty-six million, six hundred fifty-two thousand, seven hundred twenty".