2747980 has 12 divisors (see below), whose sum is σ = 5770800. Its totient is φ = 1099184.

The previous prime is 2747977. The next prime is 2748013. The reversal of 2747980 is 897472.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68680 + ... + 68719.

It is an arithmetic number, because the mean of its divisors is an integer number (480900).

2^2747980 is an apocalyptic number.

2747980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2747980 is an abundant number, since it is smaller than the sum of its proper divisors (3022820).

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

2747980 is a wasteful number, since it uses less digits than its factorization.

2747980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137408 (or 137406 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2747980 is about 1657.7032303763. The cubic root of 2747980 is about 140.0676543759.

The spelling of 2747980 in words is "two million, seven hundred forty-seven thousand, nine hundred eighty".