2772623 has 8 divisors (see below), whose sum is σ = 3179520. Its totient is φ = 2368440.

The previous prime is 2772607. The next prime is 2772629. The reversal of 2772623 is 3262772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2772623 - 2⁴ = 2772607 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 7² + 7³ + 2¹⁹ + 6² + 2²¹ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558 + ... + 3476.

It is an arithmetic number, because the mean of its divisors is an integer number (397440).

2^2772623 is an apocalyptic number.

2772623 is a deficient number, since it is larger than the sum of its proper divisors (406897).

2772623 is an equidigital number, since it uses as much as digits as its factorization.

2772623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its digits is 7056, while the sum is 29.

The square root of 2772623 is about 1665.1195152301. The cubic root of 2772623 is about 140.4851028814.

The spelling of 2772623 in words is "two million, seven hundred seventy-two thousand, six hundred twenty-three".