2756080 has 40 divisors (see below), whose sum is σ = 6553152. Its totient is φ = 1077504.

The previous prime is 2756077. The next prime is 2756099. The reversal of 2756080 is 806572.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3394 + ... + 4126.

2^2756080 is an apocalyptic number.

2756080 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 2756080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276576).

2756080 is an abundant number, since it is smaller than the sum of its proper divisors (3797072).

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

2756080 is a wasteful number, since it uses less digits than its factorization.

2756080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2756080 is about 1660.1445720178. The cubic root of 2756080 is about 140.2051414371.

The spelling of 2756080 in words is "two million, seven hundred fifty-six thousand, eighty".