326974720 has 72 divisors (see below), whose sum is σ = 786318624. Its totient is φ = 130271232.

The previous prime is 326974717. The next prime is 326974721. The reversal of 326974720 is 27479623.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326974721) 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, 597487 + ... + 598033.

It is an arithmetic number, because the mean of its divisors is an integer number (10921092).

Almost surely, 2^326974720 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 326974720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393159312).

326974720 is an abundant number, since it is smaller than the sum of its proper divisors (459343904).

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

326974720 is an equidigital number, since it uses as much as digits as its factorization.

326974720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 326974720 is about 18082.4423129178. The cubic root of 326974720 is about 688.9241232219.

The spelling of 326974720 in words is "three hundred twenty-six million, nine hundred seventy-four thousand, seven hundred twenty".