2772769 has 4 divisors (see below), whose sum is σ = 2837296. Its totient is φ = 2708244.

The previous prime is 2772767. The next prime is 2772827. The reversal of 2772769 is 9672772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2772769 - 2¹ = 2772767 is a prime.

It is a super-2 number, since 2×2772769² = 15376495854722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32199 + ... + 32284.

It is an arithmetic number, because the mean of its divisors is an integer number (709324).

2^2772769 is an apocalyptic number.

It is an amenable number.

2772769 is a deficient number, since it is larger than the sum of its proper divisors (64527).

2772769 is an equidigital number, since it uses as much as digits as its factorization.

2772769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64526.

The product of its digits is 74088, while the sum is 40.

The square root of 2772769 is about 1665.1633553499. The cubic root of 2772769 is about 140.4875687131.

The spelling of 2772769 in words is "two million, seven hundred seventy-two thousand, seven hundred sixty-nine".