3287720330 has 8 divisors (see below), whose sum is σ = 5917896612. Its totient is φ = 1315088128.

The previous prime is 3287720291. The next prime is 3287720339. The reversal of 3287720330 is 330277823.

3287720330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3229762561 + 57957769 = 56831^2 + 7613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3287720339) 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, 164386007 + ... + 164386026.

Almost surely, 2^3287720330 is an apocalyptic number.

3287720330 is a deficient number, since it is larger than the sum of its proper divisors (2630176282).

3287720330 is a wasteful number, since it uses less digits than its factorization.

3287720330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328772040.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 3287720330 is about 57338.6460426125. The cubic root of 3287720330 is about 1486.9565868540.

The spelling of 3287720330 in words is "three billion, two hundred eighty-seven million, seven hundred twenty thousand, three hundred thirty".