3454720 has 36 divisors (see below), whose sum is σ = 8278200. Its totient is φ = 1381376.

The previous prime is 3454697. The next prime is 3454739. The reversal of 3454720 is 274543.

3454720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (229950).

Almost surely, 2^3454720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3454720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4139100).

3454720 is an abundant number, since it is smaller than the sum of its proper divisors (4823480).

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

3454720 is an equidigital number, since it uses as much as digits as its factorization.

3454720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 3454720 is about 1858.6877091109. The cubic root of 3454720 is about 151.1718581855.

The spelling of 3454720 in words is "three million, four hundred fifty-four thousand, seven hundred twenty".