3506720336 has 20 divisors (see below), whose sum is σ = 7764880992. Its totient is φ = 1502880096.

The previous prime is 3506720311. The next prime is 3506720419. The reversal of 3506720336 is 6330276053.

It is a junction number, because it is equal to n+sod(n) for n = 3506720296 and 3506720305.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15654890 + ... + 15655113.

Almost surely, 2^3506720336 is an apocalyptic number.

It is an amenable number.

3506720336 is an abundant number, since it is smaller than the sum of its proper divisors (4258160656).

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

3506720336 is a wasteful number, since it uses less digits than its factorization.

3506720336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31310018 (or 31310012 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 35.

The square root of 3506720336 is about 59217.5677987538. The cubic root of 3506720336 is about 1519.2656217012.

Adding to 3506720336 its reverse (6330276053), we get a palindrome (9836996389).

The spelling of 3506720336 in words is "three billion, five hundred six million, seven hundred twenty thousand, three hundred thirty-six".