26740655 has 4 divisors (see below), whose sum is σ = 32088792. Its totient is φ = 21392520.

The previous prime is 26740633. The next prime is 26740667. The reversal of 26740655 is 55604762.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26740655 - 2¹² = 26736559 is a prime.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 2674061 + ... + 2674070.

It is an arithmetic number, because the mean of its divisors is an integer number (8022198).

Almost surely, 2^26740655 is an apocalyptic number.

26740655 is a deficient number, since it is larger than the sum of its proper divisors (5348137).

26740655 is an equidigital number, since it uses as much as digits as its factorization.

26740655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348136.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 26740655 is about 5171.1367222304. The cubic root of 26740655 is about 299.0363710076.

The spelling of 26740655 in words is "twenty-six million, seven hundred forty thousand, six hundred fifty-five".