26745863 has 8 divisors (see below), whose sum is σ = 28263600. Its totient is φ = 25239168.

The previous prime is 26745853. The next prime is 26745883. The reversal of 26745863 is 36854762.

Added to its reverse (36854762) it gives a square (63600625 = 7975²).

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26745863 - 2⁴ = 26745847 is a prime.

It is a super-2 number, since 2×26745863² = 1430682375229538, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 26745863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26745833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (3532950).

Almost surely, 2^26745863 is an apocalyptic number.

26745863 is a deficient number, since it is larger than the sum of its proper divisors (1517737).

26745863 is a wasteful number, since it uses less digits than its factorization.

26745863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521.

The product of its digits is 241920, while the sum is 41.

The square root of 26745863 is about 5171.6402620445. The cubic root of 26745863 is about 299.0557831515.

Adding to 26745863 its reverse (36854762), we get a square (63600625 = 7975²).

The spelling of 26745863 in words is "twenty-six million, seven hundred forty-five thousand, eight hundred sixty-three".