26742343 has 4 divisors (see below), whose sum is σ = 28315440. Its totient is φ = 25169248.

The previous prime is 26742337. The next prime is 26742347. The reversal of 26742343 is 34324762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34324762 = 2 ⋅17162381.

It is not a de Polignac number, because 26742343 - 2⁹ = 26741831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26742347) 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, 786523 + ... + 786556.

It is an arithmetic number, because the mean of its divisors is an integer number (7078860).

Almost surely, 2^26742343 is an apocalyptic number.

26742343 is a deficient number, since it is larger than the sum of its proper divisors (1573097).

26742343 is a wasteful number, since it uses less digits than its factorization.

26742343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573096.

The product of its digits is 24192, while the sum is 31.

The square root of 26742343 is about 5171.2999332856. The cubic root of 26742343 is about 299.0426630845.

The spelling of 26742343 in words is "twenty-six million, seven hundred forty-two thousand, three hundred forty-three".