2742793 has 2 divisors, whose sum is σ = 2742794. Its totient is φ = 2742792.

The previous prime is 2742781. The next prime is 2742799. The reversal of 2742793 is 3972472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 13689 = 1652^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742793 - 2²¹ = 645641 is a prime.

2742793 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2742799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371396 + 1371397.

It is an arithmetic number, because the mean of its divisors is an integer number (1371397).

2^2742793 is an apocalyptic number.

It is an amenable number.

2742793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742793 is an equidigital number, since it uses as much as digits as its factorization.

2742793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 2742793 is about 1656.1379773437. The cubic root of 2742793 is about 139.9794697786.

The spelling of 2742793 in words is "two million, seven hundred forty-two thousand, seven hundred ninety-three".