2755242 has 64 divisors (see below), whose sum is σ = 7223040. Its totient is φ = 762048.

The previous prime is 2755237. The next prime is 2755243. The reversal of 2755242 is 2425572.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (2755243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13888 + ... + 14084.

It is an arithmetic number, because the mean of its divisors is an integer number (112860).

2^2755242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3611520).

2755242 is an abundant number, since it is smaller than the sum of its proper divisors (4467798).

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

2755242 is a wasteful number, since it uses less digits than its factorization.

2755242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 246 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2755242 is about 1659.8921651722. The cubic root of 2755242 is about 140.1909299703.

The spelling of 2755242 in words is "two million, seven hundred fifty-five thousand, two hundred forty-two".