2742373 has 4 divisors (see below), whose sum is σ = 2747808. Its totient is φ = 2736940.

The previous prime is 2742371. The next prime is 2742407. The reversal of 2742373 is 3732472.

2742373 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, 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 2742373 - 2¹ = 2742371 is a prime.

It is a super-2 number, since 2×2742373² = 15041219342258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742371) 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, 1873 + ... + 2998.

It is an arithmetic number, because the mean of its divisors is an integer number (686952).

2^2742373 is an apocalyptic number.

It is an amenable number.

2742373 is a deficient number, since it is larger than the sum of its proper divisors (5435).

2742373 is an equidigital number, since it uses as much as digits as its factorization.

2742373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434.

The product of its digits is 7056, while the sum is 28.

The square root of 2742373 is about 1656.0111714599. The cubic root of 2742373 is about 139.9723244614.

Subtracting 2742373 from its reverse (3732472), we obtain a palindrome (990099).

The spelling of 2742373 in words is "two million, seven hundred forty-two thousand, three hundred seventy-three".