3345720556 has 12 divisors (see below), whose sum is σ = 5908727440. Its totient is φ = 1657512720.

The previous prime is 3345720551. The next prime is 3345720557. The reversal of 3345720556 is 6550275433.

It is a super-2 number, since 2×3345720556² = 22387692077681898272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3345720551) 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, 3836400 + ... + 3837271.

Almost surely, 2^3345720556 is an apocalyptic number.

It is an amenable number.

3345720556 is a deficient number, since it is larger than the sum of its proper divisors (2563006884).

3345720556 is a wasteful number, since it uses less digits than its factorization.

3345720556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673784 (or 7673782 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 40.

The square root of 3345720556 is about 57842.2039344975. The cubic root of 3345720556 is about 1495.6497000498.

Adding to 3345720556 its reverse (6550275433), we get a palindrome (9895995989).

The spelling of 3345720556 in words is "three billion, three hundred forty-five million, seven hundred twenty thousand, five hundred fifty-six".