2747740 has 12 divisors (see below), whose sum is σ = 5770296. Its totient is φ = 1099088.

The previous prime is 2747713. The next prime is 2747749. The reversal of 2747740 is 477472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68674 + ... + 68713.

It is an arithmetic number, because the mean of its divisors is an integer number (480858).

2^2747740 is an apocalyptic number.

2747740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2747740 is an abundant number, since it is smaller than the sum of its proper divisors (3022556).

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

2747740 is a wasteful number, since it uses less digits than its factorization.

2747740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137396 (or 137394 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 2747740 is about 1657.6308394815. The cubic root of 2747740 is about 140.0635765665.

The spelling of 2747740 in words is "two million, seven hundred forty-seven thousand, seven hundred forty".