328729754 has 32 divisors (see below), whose sum is σ = 554273280. Its totient is φ = 145463472.

The previous prime is 328729699. The next prime is 328729757. The reversal of 328729754 is 457927823.

It is a happy number.

328729754 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 328729699 and 328729708.

It is not an unprimeable number, because it can be changed into a prime (328729757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33209 + ... + 41955.

It is an arithmetic number, because the mean of its divisors is an integer number (17321040).

Almost surely, 2^328729754 is an apocalyptic number.

328729754 is a deficient number, since it is larger than the sum of its proper divisors (225543526).

328729754 is a wasteful number, since it uses less digits than its factorization.

328729754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834.

The product of its digits is 846720, while the sum is 47.

The square root of 328729754 is about 18130.9060446520. The cubic root of 328729754 is about 690.1545225586.

The spelling of 328729754 in words is "three hundred twenty-eight million, seven hundred twenty-nine thousand, seven hundred fifty-four".