2756140 has 24 divisors (see below), whose sum is σ = 6093360. Its totient is φ = 1044288.

The previous prime is 2756129. The next prime is 2756147. The reversal of 2756140 is 416572.

It is not an unprimeable number, because it can be changed into a prime (2756147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3247 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (253890).

2^2756140 is an apocalyptic number.

2756140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2756140 is an abundant number, since it is smaller than the sum of its proper divisors (3337220).

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

2756140 is a wasteful number, since it uses less digits than its factorization.

2756140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281 (or 7279 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2756140 is about 1660.1626426348. The cubic root of 2756140 is about 140.2061588541.

The spelling of 2756140 in words is "two million, seven hundred fifty-six thousand, one hundred forty".