26470655 has 4 divisors (see below), whose sum is σ = 31764792. Its totient is φ = 21176520.

The previous prime is 26470643. The next prime is 26470673. The reversal of 26470655 is 55607462.

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

It is a de Polignac number, because none of the positive numbers 2^k-26470655 is a prime.

It is a super-2 number, since 2×26470655² = 1401391152258050, which contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647061 + ... + 2647070.

It is an arithmetic number, because the mean of its divisors is an integer number (7941198).

Almost surely, 2^26470655 is an apocalyptic number.

26470655 is a deficient number, since it is larger than the sum of its proper divisors (5294137).

26470655 is an equidigital number, since it uses as much as digits as its factorization.

26470655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294136.

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

The square root of 26470655 is about 5144.9640426343. The cubic root of 26470655 is about 298.0265092103.

The spelling of 26470655 in words is "twenty-six million, four hundred seventy thousand, six hundred fifty-five".