26727345 has 24 divisors (see below), whose sum is σ = 46761000. Its totient is φ = 14121216.

The previous prime is 26727343. The next prime is 26727347. The reversal of 26727345 is 54372762.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26727343) and next prime (26727347).

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 25735329 = 996^2 + 5073^2 .

It is not a de Polignac number, because 26727345 - 2¹ = 26727343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26727343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2181 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (1948375).

Almost surely, 2^26727345 is an apocalyptic number.

26727345 is the 3270-th heptagonal number.

It is an amenable number.

26727345 is a deficient number, since it is larger than the sum of its proper divisors (20033655).

26727345 is a wasteful number, since it uses less digits than its factorization.

26727345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569 (or 5566 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 26727345 is about 5169.8496109655. The cubic root of 26727345 is about 298.9867482559.

It can be divided in two parts, 26727 and 345, that added together give a palindrome (27072).

The spelling of 26727345 in words is "twenty-six million, seven hundred twenty-seven thousand, three hundred forty-five".