328073472 has 216 divisors, whose sum is σ = 1017813888. Its totient is φ = 101376000.

The previous prime is 328073393. The next prime is 328073477. The reversal of 328073472 is 274370823.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328073477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2172597 + ... + 2172747.

Almost surely, 2^328073472 is an apocalyptic number.

328073472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328073472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508906944).

328073472 is an abundant number, since it is smaller than the sum of its proper divisors (689740416).

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

328073472 is a wasteful number, since it uses less digits than its factorization.

328073472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 328073472 is about 18112.7985689677. The cubic root of 328073472 is about 689.6949376096.

The spelling of 328073472 in words is "three hundred twenty-eight million, seventy-three thousand, four hundred seventy-two".