2768140 has 12 divisors (see below), whose sum is σ = 5813136. Its totient is φ = 1107248.

The previous prime is 2768123. The next prime is 2768177. The reversal of 2768140 is 418672.

It is a junction number, because it is equal to n+sod(n) for n = 2768099 and 2768108.

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, 69184 + ... + 69223.

It is an arithmetic number, because the mean of its divisors is an integer number (484428).

2^2768140 is an apocalyptic number.

2768140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2768140 is an abundant number, since it is smaller than the sum of its proper divisors (3044996).

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

2768140 is a wasteful number, since it uses less digits than its factorization.

2768140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138416 (or 138414 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2768140 is about 1663.7728210306. The cubic root of 2768140 is about 140.4093461634.

The spelling of 2768140 in words is "two million, seven hundred sixty-eight thousand, one hundred forty".