3287305472 has 72 divisors (see below), whose sum is σ = 7389403392. Its totient is φ = 1445990400.

The previous prime is 3287305451. The next prime is 3287305499. The reversal of 3287305472 is 2745037823.

It is a super-2 number, since 2×3287305472² = 21612754532482285568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68468 + ... + 106124.

Almost surely, 2^3287305472 is an apocalyptic number.

3287305472 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 3287305472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3694701696).

3287305472 is an abundant number, since it is smaller than the sum of its proper divisors (4102097920).

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

3287305472 is a wasteful number, since it uses less digits than its factorization.

3287305472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37715 (or 37701 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 3287305472 is about 57335.0283160303. The cubic root of 3287305472 is about 1486.8940408016.

The spelling of 3287305472 in words is "three billion, two hundred eighty-seven million, three hundred five thousand, four hundred seventy-two".