2746780 has 12 divisors (see below), whose sum is σ = 5768280. Its totient is φ = 1098704.

The previous prime is 2746753. The next prime is 2746781. The reversal of 2746780 is 876472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2746781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68650 + ... + 68689.

It is an arithmetic number, because the mean of its divisors is an integer number (480690).

2^2746780 is an apocalyptic number.

2746780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2746780 is an abundant number, since it is smaller than the sum of its proper divisors (3021500).

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

2746780 is a wasteful number, since it uses less digits than its factorization.

2746780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137348 (or 137346 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 2746780 is about 1657.3412442825. The cubic root of 2746780 is about 140.0472629541.

The spelling of 2746780 in words is "two million, seven hundred forty-six thousand, seven hundred eighty".