2742393 has 4 divisors (see below), whose sum is σ = 3656528. Its totient is φ = 1828260.

The previous prime is 2742371. The next prime is 2742407. The reversal of 2742393 is 3932472.

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 not a de Polignac number, because 2742393 - 2⁵ = 2742361 is a prime.

It is a D-number.

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 2742393.

It is not an unprimeable number, because it can be changed into a prime (2742323) 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, 457063 + ... + 457068.

It is an arithmetic number, because the mean of its divisors is an integer number (914132).

2^2742393 is an apocalyptic number.

It is an amenable number.

2742393 is a deficient number, since it is larger than the sum of its proper divisors (914135).

2742393 is an equidigital number, since it uses as much as digits as its factorization.

2742393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914134.

The product of its digits is 9072, while the sum is 30.

The square root of 2742393 is about 1656.0172100555. The cubic root of 2742393 is about 139.9726647311.

The spelling of 2742393 in words is "two million, seven hundred forty-two thousand, three hundred ninety-three".