26745320 has 64 divisors (see below), whose sum is σ = 71781120. Its totient is φ = 8769024.

The previous prime is 26745319. The next prime is 26745347. The reversal of 26745320 is 2354762.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4364 + ... + 8516.

It is an arithmetic number, because the mean of its divisors is an integer number (1121580).

Almost surely, 2^26745320 is an apocalyptic number.

26745320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26745320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35890560).

26745320 is an abundant number, since it is smaller than the sum of its proper divisors (45035800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26745320 is a wasteful number, since it uses less digits than its factorization.

26745320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4190 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 26745320 is about 5171.5877639271. The cubic root of 26745320 is about 299.0537593072.

The spelling of 26745320 in words is "twenty-six million, seven hundred forty-five thousand, three hundred twenty".