3420726069 has 16 divisors (see below), whose sum is σ = 4594246272. Its totient is φ = 2263906368.

The previous prime is 3420726019. The next prime is 3420726079. The reversal of 3420726069 is 9606270243.

3420726069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3420726069 - 2⁹ = 3420725557 is a prime.

It is a super-2 number, since 2×3420726069² = 23402733678272385522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420726019) 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, 223779 + ... + 238575.

It is an arithmetic number, because the mean of its divisors is an integer number (287140392).

Almost surely, 2^3420726069 is an apocalyptic number.

It is an amenable number.

3420726069 is a deficient number, since it is larger than the sum of its proper divisors (1173520203).

3420726069 is a wasteful number, since it uses less digits than its factorization.

3420726069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 3420726069 is about 58486.9734983783. The cubic root of 3420726069 is about 1506.7438671764.

The spelling of 3420726069 in words is "three billion, four hundred twenty million, seven hundred twenty-six thousand, sixty-nine".