2773632 has 64 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 890880.

The previous prime is 2773627. The next prime is 2773633. The reversal of 2773632 is 2363772.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 2773632.

It is not an unprimeable number, because it can be changed into a prime (2773633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11788 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (119340).

2^2773632 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 2773632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3818880).

2773632 is an abundant number, since it is smaller than the sum of its proper divisors (4864128).

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

2773632 is a wasteful number, since it uses less digits than its factorization.

2773632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 269 counting only the distinct ones).

The product of its digits is 10584, while the sum is 30.

The square root of 2773632 is about 1665.4224689249. The cubic root of 2773632 is about 140.5021423752.

The spelling of 2773632 in words is "two million, seven hundred seventy-three thousand, six hundred thirty-two".