2773530 has 24 divisors (see below), whose sum is σ = 7211412. Its totient is φ = 739584.

The previous prime is 2773523. The next prime is 2773549. The reversal of 2773530 is 353772.

It can be written as a sum of positive squares in 2 ways, for example, as 2424249 + 349281 = 1557^2 + 591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2773494 and 2773503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15319 + ... + 15498.

2^2773530 is an apocalyptic number.

2773530 is an abundant number, since it is smaller than the sum of its proper divisors (4437882).

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

2773530 is a wasteful number, since it uses less digits than its factorization.

2773530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30830 (or 30827 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 2773530 is about 1665.3918457828. The cubic root of 2773530 is about 140.5004200373.

The spelling of 2773530 in words is "two million, seven hundred seventy-three thousand, five hundred thirty".