2772726 has 32 divisors (see below), whose sum is σ = 6196608. Its totient is φ = 819840.

The previous prime is 2772713. The next prime is 2772761. The reversal of 2772726 is 6272772.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2350 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (193644).

2^2772726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2772726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3098304).

2772726 is an abundant number, since it is smaller than the sum of its proper divisors (3423882).

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

2772726 is a wasteful number, since it uses less digits than its factorization.

2772726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 16464, while the sum is 33.

The square root of 2772726 is about 1665.1504436537. The cubic root of 2772726 is about 140.4868424840.

It can be divided in two parts, 277 and 2726, that added together give a palindrome (3003).

The spelling of 2772726 in words is "two million, seven hundred seventy-two thousand, seven hundred twenty-six".