2706540 has 48 divisors (see below), whose sum is σ = 7687680. Its totient is φ = 711360.

The previous prime is 2706527. The next prime is 2706559. The reversal of 2706540 is 456072.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2706540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4455 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (160160).

2^2706540 is an apocalyptic number.

2706540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2706540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3843840).

2706540 is an abundant number, since it is smaller than the sum of its proper divisors (4981140).

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

2706540 is a wasteful number, since it uses less digits than its factorization.

2706540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2706540 is about 1645.1565275073. The cubic root of 2706540 is about 139.3600039500.

The spelling of 2706540 in words is "two million, seven hundred six thousand, five hundred forty".