2772164 has 6 divisors (see below), whose sum is σ = 4851294. Its totient is φ = 1386080.

The previous prime is 2772137. The next prime is 2772179. The reversal of 2772164 is 4612772.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 369664 = 1550^2 + 608^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346517 + ... + 346524.

It is an arithmetic number, because the mean of its divisors is an integer number (808549).

2^2772164 is an apocalyptic number.

It is an amenable number.

2772164 is a deficient number, since it is larger than the sum of its proper divisors (2079130).

2772164 is a wasteful number, since it uses less digits than its factorization.

2772164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693045 (or 693043 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 2772164 is about 1664.9816815809. The cubic root of 2772164 is about 140.4773501480.

The spelling of 2772164 in words is "two million, seven hundred seventy-two thousand, one hundred sixty-four".