26673565 has 16 divisors (see below), whose sum is σ = 32573376. Its totient is φ = 20966400.

The previous prime is 26673557. The next prime is 26673589. The reversal of 26673565 is 56537662.

It is not a de Polignac number, because 26673565 - 2³ = 26673557 is a prime.

It is a super-2 number, since 2×26673565² = 1422958139618450, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (226800) is a multiple of the sum of its prime divisors (540).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126310 + ... + 126520.

It is an arithmetic number, because the mean of its divisors is an integer number (2035836).

Almost surely, 2^26673565 is an apocalyptic number.

It is an amenable number.

26673565 is a deficient number, since it is larger than the sum of its proper divisors (5899811).

26673565 is a wasteful number, since it uses less digits than its factorization.

26673565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 226800, while the sum is 40.

The square root of 26673565 is about 5164.6456800056. The cubic root of 26673565 is about 298.7860760692.

The spelling of 26673565 in words is "twenty-six million, six hundred seventy-three thousand, five hundred sixty-five".