2733840 has 60 divisors (see below), whose sum is σ = 9183564. Its totient is φ = 728832.

The previous prime is 2733827. The next prime is 2733851. The reversal of 2733840 is 483372.

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 2359296 = 612^2 + 1536^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×2733840² = 14947762291200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179 + ... + 2618.

2^2733840 is an apocalyptic number.

2733840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2733840 is an abundant number, since it is smaller than the sum of its proper divisors (6449724).

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

2733840 is a wasteful number, since it uses less digits than its factorization.

2733840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816 (or 3807 counting only the distinct ones).

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

The square root of 2733840 is about 1653.4327927073. The cubic root of 2733840 is about 139.8269971869.

The spelling of 2733840 in words is "two million, seven hundred thirty-three thousand, eight hundred forty".