3328642731 has 8 divisors (see below), whose sum is σ = 4631155200. Its totient is φ = 2122612712.

The previous prime is 3328642717. The next prime is 3328642781. The reversal of 3328642731 is 1372468233.

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

It is a cyclic number.

It is not a de Polignac number, because 3328642731 - 2¹³ = 3328634539 is a prime.

It is a super-2 number, since 2×3328642731² = 22159724861278276722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3328642731.

It is not an unprimeable number, because it can be changed into a prime (3328642781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24120531 + ... + 24120668.

It is an arithmetic number, because the mean of its divisors is an integer number (578894400).

Almost surely, 2^3328642731 is an apocalyptic number.

3328642731 is a deficient number, since it is larger than the sum of its proper divisors (1302512469).

3328642731 is a wasteful number, since it uses less digits than its factorization.

3328642731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48241225.

The product of its digits is 145152, while the sum is 39.

The square root of 3328642731 is about 57694.3908105459. The cubic root of 3328642731 is about 1493.1005703474.

The spelling of 3328642731 in words is "three billion, three hundred twenty-eight million, six hundred forty-two thousand, seven hundred thirty-one".