2725470 has 48 divisors (see below), whose sum is σ = 7733232. Its totient is φ = 660480.

The previous prime is 2725453. The next prime is 2725501. The reversal of 2725470 is 745272.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (161109).

2^2725470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3866616).

2725470 is an abundant number, since it is smaller than the sum of its proper divisors (5007762).

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

2725470 is a wasteful number, since it uses less digits than its factorization.

2725470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2725470 is about 1650.8997546792. The cubic root of 2725470 is about 139.6841519099.

The spelling of 2725470 in words is "two million, seven hundred twenty-five thousand, four hundred seventy".