2742797 has 4 divisors (see below), whose sum is σ = 2904156. Its totient is φ = 2581440.

The previous prime is 2742793. The next prime is 2742799. The reversal of 2742797 is 7972472.

2742797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1190281 + 1552516 = 1091^2 + 1246^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742797 - 2² = 2742793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2742797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80654 + ... + 80687.

It is an arithmetic number, because the mean of its divisors is an integer number (726039).

2^2742797 is an apocalyptic number.

It is an amenable number.

2742797 is a deficient number, since it is larger than the sum of its proper divisors (161359).

2742797 is a wasteful number, since it uses less digits than its factorization.

2742797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161358.

The product of its digits is 49392, while the sum is 38.

The square root of 2742797 is about 1656.1391849721. The cubic root of 2742797 is about 139.9795378258.

It can be divided in two parts, 27 and 42797, that added together give a palindrome (42824).

The spelling of 2742797 in words is "two million, seven hundred forty-two thousand, seven hundred ninety-seven".