2746820 has 12 divisors (see below), whose sum is σ = 5768364. Its totient is φ = 1098720.

The previous prime is 2746819. The next prime is 2746829. The reversal of 2746820 is 286472.

2746820 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 2067844 + 678976 = 1438^2 + 824^2 .

It is a super-2 number, since 2×2746820² = 15090040224800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2746829) 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 3 ways as a sum of consecutive naturals, for example, 68651 + ... + 68690.

It is an arithmetic number, because the mean of its divisors is an integer number (480697).

2^2746820 is an apocalyptic number.

2746820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2746820 is an abundant number, since it is smaller than the sum of its proper divisors (3021544).

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

2746820 is a wasteful number, since it uses less digits than its factorization.

2746820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137350 (or 137348 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2746820 is about 1657.3533117594. The cubic root of 2746820 is about 140.0479427639.

The spelling of 2746820 in words is "two million, seven hundred forty-six thousand, eight hundred twenty".