3345720290 has 32 divisors (see below), whose sum is σ = 6599287296. Its totient is φ = 1211160960.

The previous prime is 3345720283. The next prime is 3345720293. The reversal of 3345720290 is 920275433.

It is a super-2 number, since 2×3345720290² = 22387688517835368200, 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 3345720290.

It is not an unprimeable number, because it can be changed into a prime (3345720293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43667 + ... + 92726.

It is an arithmetic number, because the mean of its divisors is an integer number (206227728).

Almost surely, 2^3345720290 is an apocalyptic number.

3345720290 is a deficient number, since it is larger than the sum of its proper divisors (3253567006).

3345720290 is a wasteful number, since it uses less digits than its factorization.

3345720290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136634.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 3345720290 is about 57842.2016351383. The cubic root of 3345720290 is about 1495.6496604129.

The spelling of 3345720290 in words is "three billion, three hundred forty-five million, seven hundred twenty thousand, two hundred ninety".