3505739328 has 168 divisors, whose sum is σ = 12367654208. Its totient is φ = 924576768.

The previous prime is 3505739323. The next prime is 3505739359. The reversal of 3505739328 is 8239375053.

3505739328 is a `hidden beast` number, since 3 + 50 + 573 + 9 + 3 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (3505739323) 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, 18975 + ... + 85857.

Almost surely, 2^3505739328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3505739328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6183827104).

3505739328 is an abundant number, since it is smaller than the sum of its proper divisors (8861914880).

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

3505739328 is a wasteful number, since it uses less digits than its factorization.

3505739328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66921 (or 66908 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 3505739328 is about 59209.2841368649. The cubic root of 3505739328 is about 1519.1239365378.

The spelling of 3505739328 in words is "three billion, five hundred five million, seven hundred thirty-nine thousand, three hundred twenty-eight".