2751280 has 80 divisors (see below), whose sum is σ = 7767360. Its totient is φ = 887808.

The previous prime is 2751253. The next prime is 2751293. The reversal of 2751280 is 821572.

2751280 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

2751280 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161832 + ... + 161848.

It is an arithmetic number, because the mean of its divisors is an integer number (97092).

2^2751280 is an apocalyptic number.

2751280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2751280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3883680).

2751280 is an abundant number, since it is smaller than the sum of its proper divisors (5016080).

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

2751280 is an equidigital number, since it uses as much as digits as its factorization.

2751280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2751280 is about 1658.6982848005. The cubic root of 2751280 is about 140.1237001935.

The spelling of 2751280 in words is "two million, seven hundred fifty-one thousand, two hundred eighty".