26385742 has 4 divisors (see below), whose sum is σ = 39578616. Its totient is φ = 13192870.

The previous prime is 26385731. The next prime is 26385757. The reversal of 26385742 is 24758362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24758362 = 2 ⋅12379181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6596434 + ... + 6596437.

It is an arithmetic number, because the mean of its divisors is an integer number (9894654).

Almost surely, 2^26385742 is an apocalyptic number.

26385742 is a deficient number, since it is larger than the sum of its proper divisors (13192874).

26385742 is a wasteful number, since it uses less digits than its factorization.

26385742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192873.

The product of its digits is 80640, while the sum is 37.

The square root of 26385742 is about 5136.7053643362. The cubic root of 26385742 is about 297.7074964186.

The spelling of 26385742 in words is "twenty-six million, three hundred eighty-five thousand, seven hundred forty-two".