322748672 has 36 divisors (see below), whose sum is σ = 682142076. Its totient is φ = 151879680.

The previous prime is 322748663. The next prime is 322748677. The reversal of 322748672 is 276847223.

It can be written as a sum of positive squares in 2 ways, for example, as 235438336 + 87310336 = 15344^2 + 9344^2 .

It is not an unprimeable number, because it can be changed into a prime (322748677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32729 + ... + 41432.

It is an arithmetic number, because the mean of its divisors is an integer number (18948391).

Almost surely, 2^322748672 is an apocalyptic number.

322748672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

322748672 is an abundant number, since it is smaller than the sum of its proper divisors (359393404).

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

322748672 is an equidigital number, since it uses as much as digits as its factorization.

322748672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74194 (or 74180 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 322748672 is about 17965.2072629291. The cubic root of 322748672 is about 685.9431992342.

The spelling of 322748672 in words is "three hundred twenty-two million, seven hundred forty-eight thousand, six hundred seventy-two".