2756320 has 96 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 895488.

The previous prime is 2756309. The next prime is 2756339. The reversal of 2756320 is 236572.

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 15 ways as a sum of consecutive naturals, for example, 25707 + ... + 25813.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2^2756320 is an apocalyptic number.

2756320 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 2756320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3919104).

2756320 is an abundant number, since it is smaller than the sum of its proper divisors (5081888).

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

2756320 is a wasteful number, since it uses less digits than its factorization.

2756320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2756320 is about 1660.2168533056. The cubic root of 2756320 is about 140.2092110163.

The spelling of 2756320 in words is "two million, seven hundred fifty-six thousand, three hundred twenty".