328427072 has 14 divisors (see below), whose sum is σ = 651722598. Its totient is φ = 164213504.

The previous prime is 328427069. The next prime is 328427083. The reversal of 328427072 is 270724823.

It can be written as a sum of positive squares in only one way, i.e., 284124736 + 44302336 = 16856^2 + 6656^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565773 + ... + 2565900.

Almost surely, 2^328427072 is an apocalyptic number.

328427072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

328427072 is a deficient number, since it is larger than the sum of its proper divisors (323295526).

328427072 is an equidigital number, since it uses as much as digits as its factorization.

328427072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131685 (or 5131675 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 328427072 is about 18122.5569939785. The cubic root of 328427072 is about 689.9426347324.

The spelling of 328427072 in words is "three hundred twenty-eight million, four hundred twenty-seven thousand, seventy-two".