2743380 has 36 divisors (see below), whose sum is σ = 8322132. Its totient is φ = 731520.

The previous prime is 2743297. The next prime is 2743381. The reversal of 2743380 is 833472.

2743380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 1140624 = 1266^2 + 1068^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2743380² = 15052267648800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7441 + ... + 7800.

2^2743380 is an apocalyptic number.

2743380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2743380 is an abundant number, since it is smaller than the sum of its proper divisors (5578752).

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

2743380 is a wasteful number, since it uses less digits than its factorization.

2743380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256 (or 15251 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2743380 is about 1656.3151873964. The cubic root of 2743380 is about 139.9894549881.

The spelling of 2743380 in words is "two million, seven hundred forty-three thousand, three hundred eighty".