2748312 has 144 divisors (see below), whose sum is σ = 9336600. Its totient is φ = 725760.

The previous prime is 2748287. The next prime is 2748313. The reversal of 2748312 is 2138472.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67012 + ... + 67052.

2^2748312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2748312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4668300).

2748312 is an abundant number, since it is smaller than the sum of its proper divisors (6588288).

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

2748312 is a wasteful number, since it uses less digits than its factorization.

2748312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 72 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2748312 is about 1657.8033659032. The cubic root of 2748312 is about 140.0732949541.

It can be divided in two parts, 27483 and 12, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 2748312 in words is "two million, seven hundred forty-eight thousand, three hundred twelve".