3420666774 has 108 divisors (see below), whose sum is σ = 8964443124. Its totient is φ = 974754648.

The previous prime is 3420666763. The next prime is 3420666779. The reversal of 3420666774 is 4776660243.

It is a super-2 number, since 2×3420666774² = 23401922357495134152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420666779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 9025317 + ... + 9025695.

It is an arithmetic number, because the mean of its divisors is an integer number (83004103).

Almost surely, 2^3420666774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420666774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4482221562).

3420666774 is an abundant number, since it is smaller than the sum of its proper divisors (5543776350).

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

3420666774 is an frugal number, since it uses more digits than its factorization.

3420666774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The square root of 3420666774 is about 58486.4665884339. The cubic root of 3420666774 is about 1506.7351611403.

The spelling of 3420666774 in words is "three billion, four hundred twenty million, six hundred sixty-six thousand, seven hundred seventy-four".