326572768 has 48 divisors (see below), whose sum is σ = 672930720. Its totient is φ = 155713536.

The previous prime is 326572759. The next prime is 326572769. The reversal of 326572768 is 867275623.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326572769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424288 + ... + 425056.

It is an arithmetic number, because the mean of its divisors is an integer number (14019390).

Almost surely, 2^326572768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326572768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336465360).

326572768 is an abundant number, since it is smaller than the sum of its proper divisors (346357952).

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

326572768 is a wasteful number, since it uses less digits than its factorization.

326572768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1371 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 326572768 is about 18071.3244672326. The cubic root of 326572768 is about 688.6417079355.

The spelling of 326572768 in words is "three hundred twenty-six million, five hundred seventy-two thousand, seven hundred sixty-eight".